{
  "schema": "canli.company-reference.v1",
  "cik": "0000894671",
  "name": "OHIO VALLEY BANC CORP",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000894671.json",
  "source_sha256": "53bad835f9df254e97b3b60198411c9413623a7fdfb5f5d9df4be4e9b86ddb12",
  "fetched_at": "2026-09-19T11:15:13.857Z",
  "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": "2025-12-31",
          "val": 1582654000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1503412000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1352135000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1210787000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1249769000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1186932000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1013272000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1030493000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1026290000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 954640000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-08-05",
          "val": 950000000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 796285000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 778668000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 747368000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 769223000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 804177000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 851514000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "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": "2025-12-31",
          "val": 1412397000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1353084000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1208128000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1075759000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1108413000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1050608000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 885093000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 912619000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 916929000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 850112000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 705815000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 692452000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 666949000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 693403000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 732334000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 783386000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "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": "2025-12-31",
          "val": 170257000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 150328000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 144007000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 132819000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 141356000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 136324000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 128179000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 117874000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 109361000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 104528000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 90470000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 86216000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 80419000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 75820000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 71843000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 68128000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 66521000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 4643000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2008Q4I",
          "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": "2025-12-31",
          "val": 45897000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 83107000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 128126000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 45990000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 152034000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 138303000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 52356000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 71180000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 74573000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 40166000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 45530000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 45530000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 30977000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 28344000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 45651000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 51630000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 59751000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 15670000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 18292000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2008Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 15601000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 10999000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 12631000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 13338000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 11732000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 10259000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9907000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 11944000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 7509000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 6920000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 8574000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8073000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 8112000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7052000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5835000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 5096000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 6645000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 18085000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 13097000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 20747000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 15990000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 13187000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 12491000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 14753000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 18141000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 14496000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 13366000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 10398000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 11681000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 13158000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 10831000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 16182000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 12329000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4928000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 1037000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1433000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2689000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1988000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1085000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3450000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6232000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2725000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1727000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1683000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1950000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 985000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1152000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 437000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 449000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 673000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 971000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 55310000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 137067000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 121176000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -38642000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 52948000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 162141000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -7168000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -8808000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 62091000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 19704000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 9093000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 20839000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -29519000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -43171000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -55809000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 35290000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 25603000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -110605000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -195183000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -59787000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -83392000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -52404000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -88685000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -26409000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -12726000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -42180000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -38434000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -4938000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -29887000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -946000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 26361000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 31506000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -3538000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -33153000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-12-31",
          "val": 133007000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 121693000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 114871000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 109320000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 100702000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 92988000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 86751000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 80844000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 72694000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 69117000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 65782000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 60873000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 56241000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 51094000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 48435000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 45960000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 4711001,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4736820,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4774607,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4769135,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4780609,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4787446,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4767279,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4725971,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4685067,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4351748,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 4117675,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 4099194000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 4064083,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 4030322,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4001435,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3984229,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 3.31,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2.32,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2.65,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2.8,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2.45,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2.14,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2.08,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2.53,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1.6,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1.59,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2.08,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1.97,
          "accn": "0000894671-17-000015",
          "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": 2,
          "accn": "0000894671-16-000060",
          "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": 1.75,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.46,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.28,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.67,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 3851000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2377000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2567000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2594000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2284000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2048000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1813000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2255000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4486000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1920000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2809000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3120000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2939000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2762000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2063000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1511000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2272000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-12-31",
          "val": 20509000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 21229000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 21450000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 20436000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 20730000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 21312000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 19217000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 14855000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 13281000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 12783000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 10404000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 9195000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 9005000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 8680000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 9216000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 9738000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": 0,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 328000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 295000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 428000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 575000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 351000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 640000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 617000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 496000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 315000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "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": "2023-01-01",
          "end": "2023-12-31",
          "val": 15838000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2838000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3699000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6191000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7265000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 5471000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3975000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3022000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2839000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2875000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3573000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6346000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10169000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 13547000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 16932000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2009",
          "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": "2025-12-31",
          "val": 7319000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 7319000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 7319000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 7319000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 7319000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 7319000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 7319000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7371000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 7371000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 7801000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1267000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1267000,
          "accn": "0000894671-16-000060",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1267000,
          "accn": "0000894671-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1267000,
          "accn": "0000894671-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-17",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1267000,
          "accn": "0000894671-13-000013",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-18",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1267000,
          "accn": "0000894671-12-000009",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-15",
          "frame": "CY2010Q4I",
          "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": "2023-12-31",
          "val": 8000,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 29000,
          "accn": "0001140361-23-013386",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 64000,
          "accn": "0001140361-22-009818",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-17",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 112000,
          "accn": "0000894671-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-24",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 174000,
          "accn": "0000894671-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 379000,
          "accn": "0000894671-19-000015",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-18",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 514000,
          "accn": "0000894671-18-000011",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-16",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 670000,
          "accn": "0000894671-17-000015",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 0,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1945000,
          "accn": "0001140361-26-009342",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 82000,
          "accn": "0001140361-25-008828",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-14",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0,
          "accn": "0001140361-24-013512",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-15",
          "frame": "CY2022",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/53bad835f9df254e97b3b60198411c9413623a7fdfb5f5d9df4be4e9b86ddb12.json.gz"
}
