{
  "schema": "canli.company-reference.v1",
  "cik": "0001095315",
  "name": "PFSweb, Inc.",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001095315.json",
  "source_sha256": "240153a40d166b12e91022b724b367d450024d406f1d01b9b72468bdd71f76ae",
  "fetched_at": "2026-09-22T19:40:12.846Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 204662000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 326466000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 214896000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 203608000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 177073000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 185787000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 211336000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 191290000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 140746000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 132036000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 133471000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 136372000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 130230000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 118438000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 116690000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 160798000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 156766000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 130490000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 144490000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 171053000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 147532000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 100641000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 91111000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 105420000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 108298000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 100880000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 86224000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 209776000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 54098000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 48042000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 46583000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 41297000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 40283000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 43758000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 40105000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 40925000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 28051000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 28074000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 29350000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 29353000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 30034000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 152332000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 10359000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 11354000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 15419000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 19078000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 24425000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 21781000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 18128000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 22418000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 19626000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 17695000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 18430000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 14812000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -16558000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 147234000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -4969000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2170000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1228000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -3964000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -7530000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -7861000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -4626000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -5891000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -1511000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -4566000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -7369000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -7575000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -42651000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1796000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 10859000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 11565000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 11053000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6828000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 28585000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -845000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3471000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10355000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 7614000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4196000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3912000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4936000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4652000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 8713000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 4489000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 5445000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 7971000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 14712000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 7550000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3774000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 295122000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 277302000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 272860000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 294022000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 294022000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 326160000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 326825000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -103780000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -44504000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 211000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -9403000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -9939000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -14715000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3656000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -12079000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5281000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4276000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -10314000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 228789000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -4192000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -3753000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -4882000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -4587000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -7971000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -14712000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -5223000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -3774000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": -90893000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 33522000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -113712000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -109943000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -107773000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -109281000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -105317000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -97787000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -89926000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -85300000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -79409000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -77898000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -73332000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 22664000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 21410000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 20005000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 19449000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 19203000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 18933000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 18542000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 17608000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 16737000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 14957000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 12777000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 12574000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 11310000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 22664000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 21410000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 20005000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 19449000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 19826000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 18933000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 18542000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 17608000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 16737000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 14957000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 12777000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 12574000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 11310000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.73,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6.87,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.25,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -0.11,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0.06,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.21,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.41,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -0.45,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.28,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.39,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.12,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -0.36,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.65,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.73,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6.87,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.25,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -0.11,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0.06,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.21,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.41,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -0.45,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.28,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.39,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.12,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -0.36,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.65,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1617000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1530000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1340000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1161000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2770000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1824000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2367000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1497000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -53000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 539000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 644000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 380000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 463000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2019-12-31",
          "val": 18436000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 21496000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 24178000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 30264000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 24093000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 26604000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 27190000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 27917000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 14945000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 9124000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5928000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 9398000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 10785000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3027000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4032000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3333000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2111000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 4637000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3059000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2574000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1325000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1402000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 809000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -20014000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -10803000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -3346000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 887000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 6497000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 598000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -2840000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -4607000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -3866000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -4673000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 121000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -2209000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -1991000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 129817000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 247952000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 108569000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 98469000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 105088000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 108679000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 125544000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 116384000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 101050000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 101963000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 102268000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 118300000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 117777000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 879000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1486000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1896000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2499000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2738000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2323000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1757000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 813000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 679000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 988000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1085000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 940000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 87753000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 82810000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 84545000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 84198000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 82141000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 94976000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 106973000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 103955000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 83263000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 75553000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 86898000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 97906000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 95136000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 21310000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 22218000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 22358000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 45393000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 45185000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 45698000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 46210000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 39829000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 8366000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 665000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1135000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1803000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3371000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6864000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 8810000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 82540000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 78024000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 69594000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 72262000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 72415000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 72062000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 80223000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 70700000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 59126000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 55292000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 45684000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 52679000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 41438000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 0,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 3133000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3644000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3281000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 6090000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5326000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6632000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 9262000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 10534000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 14169000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 24654000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 30487000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 35161000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 43943000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 50237000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 51002000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 74221000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 85297000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 80579000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 73464000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 61673000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 43792000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 41562000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 40741000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 35303000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 31620000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 63957000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 61040000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 54348000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 73334000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 78800000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 79981000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 76304000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 66280000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 47658000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 46235000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 40620000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 37512000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 33611000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 22691649,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "shares"
        },
        {
          "end": "2021-12-31",
          "val": 22098079,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "shares"
        },
        {
          "end": "2020-12-31",
          "val": 20375091,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "shares"
        },
        {
          "end": "2019-12-31",
          "val": 19432410,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "shares"
        },
        {
          "end": "2018-12-31",
          "val": 19260829,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "shares"
        },
        {
          "end": "2017-12-31",
          "val": 19025218,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "shares"
        },
        {
          "end": "2016-12-31",
          "val": 18735100,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-12-31",
          "val": 18102751,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 17013626,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 16507437,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 12788919,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 12764546,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 12236703,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
      "taxonomy": "us-gaap",
      "label": "Cash including restricted cash",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cash, cash equivalents and restricted cash as reported in the cash flow reconciliation. Restricted amounts are not freely available, so this is not the same as unrestricted cash.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 10965000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12648000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 15626000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": -3134000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -1153000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -329000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -1301000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -993000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 70000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -580000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -296000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 682000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1811000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1554000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1399000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1526000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseRightOfUseAsset",
      "taxonomy": "us-gaap",
      "label": "Operating lease right-of-use asset",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of the right to use leased assets under operating leases. It reflects discounted remaining payments, not the value of the underlying property.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 30841000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 35370000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 34349000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 36403000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseLiability",
      "taxonomy": "us-gaap",
      "label": "Operating lease liability",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Present value of remaining operating lease payments. Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 33762000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 40497000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 40040000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 42199000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 41491000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 53861000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 30335000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 6158000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 7246000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 16899000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2018-12-31",
          "val": 97744000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 120403000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 116239000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 100677000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 95123000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 90205000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 87619000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 69120000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2018-12-31",
          "val": 76248000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 96225000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 85975000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 76584000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 68519000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 63015000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 59702000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 54175000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 1806000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1611000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 386000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3772000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3501000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3861000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2454000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2174000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2556000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2883000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 3286000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3127000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2203000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 4315000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2565000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 5286000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3046000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2449000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2150000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1066000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2478000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3091000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 6809000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3608000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccruedLiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Accrued current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current obligations accrued for goods and services received but not yet invoiced or paid. This is one component of current liabilities, not all short-term obligations.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 36973000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 31643000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 26242000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 21625000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 24623000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 29074000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 30360000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 30563000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 26135000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 25045000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 23097000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 18657000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 15870000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 7665000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 7244000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 7524000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6954000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 6943000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 6633000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 7299000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 5662000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ContractWithCustomerLiabilityCurrent",
      "taxonomy": "us-gaap",
      "label": "Current contract liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Consideration received before performance obligations are satisfied, often called deferred revenue. It is an obligation to deliver, not earned revenue or cash available.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 3906000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 4391000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 4595000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6058000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7328000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 2967000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 4280000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1083000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1198000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 856000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 618000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 178000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 616000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 851000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1584000,
          "accn": "0001564590-15-001893",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1648000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 787000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Pre-tax income or loss from continuing operations",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -18588000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -12108000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -4832000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -1009000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3998000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -2140000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -5163000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -6364000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -4679000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -5352000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProfitLoss",
      "taxonomy": "us-gaap",
      "label": "Profit or loss including noncontrolling interests",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income or loss including the portion attributable to noncontrolling interests. It can differ from the net income attributable to the parent that per-share figures use.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -5504000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2170000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1228000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -3964000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -18539000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 146410000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -3997000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2478000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 165000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -3314000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -7814000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -8839000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -5755000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -5634000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -1356000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -4693000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 7400000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6700000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6700000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 8300000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DepreciationDepletionAndAmortization",
      "taxonomy": "us-gaap",
      "label": "Depreciation, depletion and amortization",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Combined depreciation, depletion and amortization for the period. A noncash allocation of asset cost, not a measure of maintenance spending.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8666000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 10367000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 11367000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 10210000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 9248000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 6344000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 6060000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 500000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 700000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1600000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3400000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4000000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3000000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 100000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 630000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 528000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1249000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 685000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2526000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2098000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1544000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1439000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 788000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 510000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 662000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 310000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 987000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1002000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 91000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 476000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 244000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -274000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 823000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 58000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -841000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 29000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -18000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 70000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -33000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 766000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1391000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1917000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2237000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2496000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1700000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1400000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 700000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 500000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 600000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 400000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProceedsFromIssuanceOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Proceeds from issuing common stock",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash received from issuing common stock during the period. It is gross of costs only where the filer reports it so, and it does not include noncash issuances.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 777000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3030000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 542000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 14000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 350000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 770000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1203000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1483000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1631000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 15934000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 48000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2015000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 7270000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeasePayments",
      "taxonomy": "us-gaap",
      "label": "Operating lease payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid for operating lease liabilities during the period. It differs from lease expense recognized and excludes variable payments in some presentations.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 11232000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 11446000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 10803000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9365000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsReceivable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts receivable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in receivables during the period. A positive value under this concept means receivables grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5854000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 19243000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 7328000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 894000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1525000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -10595000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 8931000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5632000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2743000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 9273000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -7315000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 11500000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2984000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInInventories",
      "taxonomy": "us-gaap",
      "label": "Change in inventories",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in inventories during the period. A positive value under this concept means inventory grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -3126000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -481000,
          "accn": "0001095315-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-14",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 315000,
          "accn": "0001095315-22-000054",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2811000,
          "accn": "0001095315-21-000034",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-31",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 890000,
          "accn": "0001095315-20-000020",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -1266000,
          "accn": "0001564590-19-008334",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -2578000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -1070000,
          "accn": "0001564590-18-006047",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -3407000,
          "accn": "0001564590-17-004610",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -10456000,
          "accn": "0001564590-16-014831",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -5650000,
          "accn": "0001564590-14-001224",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-31",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -3394000,
          "accn": "0001193125-13-136642",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2709000,
          "accn": "0001193125-12-144018",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/240153a40d166b12e91022b724b367d450024d406f1d01b9b72468bdd71f76ae.json.gz"
}
