{
  "schema": "canli.company-reference.v1",
  "cik": "0000903127",
  "name": "POST PROPERTIES INC",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000903127.json",
  "source_sha256": "31fde2dd9d67f5550abd1fc7ee0c9a56452450ac693fa062255d1943f7cef800",
  "fetched_at": "2026-09-23T02:43:05.629Z",
  "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": "2015-12-31",
          "val": 2271832000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2311798000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2381677000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2363364000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2139064000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2114779000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 2177429000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2015-12-31",
          "val": 1021672000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1018752000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1222825000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1236585000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1084701000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1141292000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1157974000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2015-12-31",
          "val": 1241482000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1285960000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1152947000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1119714000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1047518000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 967090000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1015119000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 28611000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 140512000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 82110000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 118698000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 13084000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 22089000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 13347000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 75472000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 11557000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2007Q4I",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 80623000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 215120000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 110534000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 83939000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 25466000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -6960000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -3223000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -8652000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2014-01-01",
          "end": "2014-12-31",
          "val": 163339000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 150374000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 134189000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 102384000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 77111000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 69263000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 81161000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 384006000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 377812000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 362737000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 330334000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 301003000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 285138000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 276323000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 281940000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2014-01-01",
          "end": "2014-12-31",
          "val": -326339000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -91224000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 116440000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -16449000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -46049000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -106517000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -38973000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2014-01-01",
          "end": "2014-12-31",
          "val": 221402000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -95738000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -145015000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -94940000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -22320000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -24871000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 21727000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2015-12-31",
          "val": 167791000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 185001000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 66138000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 27266000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 4577000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 57253000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 54290000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 54262000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 54336000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 53821000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 50420000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 48483000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 45179000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 44009000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 54306000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 54353000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 54508000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 54131000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 50808000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 48483000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 45179000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 44009000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 1.41,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3.89,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.96,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.49,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.38,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.3,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -0.24,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -0.37,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1.41,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3.88,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.96,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.48,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.38,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.3,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -0.24,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -0.37,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 186000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -797000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -612000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -470000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 503000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 4798000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 4000000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3647000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2937000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2581000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3010000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4519000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 5061000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 111499000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 106796000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 99127000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 90132000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 77695000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 22897000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 34199000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -47215000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 31587000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 40286000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 44704000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 46028000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 56417000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 54613000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 52377000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 48863000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 33725000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2084000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 24800000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 54012000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 54509000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 54191000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 54470000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 52988000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 48913000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "shares"
        },
        {
          "end": "2009-12-31",
          "val": 48445000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "AdditionalPaidInCapital",
      "taxonomy": "us-gaap",
      "label": "Additional paid-in capital",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Capital contributed above par value under this concept. It records historical contributions, not the current value of the equity or cash on hand.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 1117627000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1114851000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1111861000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1107354000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1053612000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 965691000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 960593000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": -3356000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -3675000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -3419000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -11679000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -2633000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Total equity including noncontrolling interests",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Equity including the portion attributable to noncontrolling interests. It is larger than or equal to parent stockholders equity and is not market capitalization.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 1243027000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1285960000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1152731000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1119620000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1047523000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 967295000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1016053000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 995850000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 1056323000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2007Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 889537000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 892459000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1098734000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1102464000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 970443000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1033249000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 992760000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2013-12-31",
          "val": 25166000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 38559000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 60197000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProfitLoss",
      "taxonomy": "us-gaap",
      "label": "Profit or loss including noncontrolling interests",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income or loss including the portion attributable to noncontrolling interests. It can differ from the net income attributable to the parent that per-share figures use.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 80793000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 238183000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 110920000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 84291000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 25595000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -6991000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -11489000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -8370000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 80942000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 237418000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 118901000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 75028000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 22900000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -6940000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -9622000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -6096000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 76935000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 211432000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 106846000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 80251000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 19254000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -14507000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -10860000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -16289000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "General and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "General and administrative costs reported under this concept, separate from selling expense. Filers group overhead differently, so compare presentation before comparing companies.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 18558000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 17898000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 17245000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 16342000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 16100000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 16443000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 16296000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 16808000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 87458000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 84759000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 86135000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 80145000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 75263000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 74497000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 74442000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 63530000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -1026000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 19000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -839000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1034000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 619000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -874000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -432000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -1239000,
          "accn": "0001193125-11-051404",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -470000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -587000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -188000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 31765000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 41214000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 45557000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 45883000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 60447000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 60589000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 66016000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1368000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1166000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1192000,
          "accn": "0001564590-16-013528",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 386000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -1100000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2024000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProceedsFromIssuanceOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Proceeds from issuing common stock",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash received from issuing common stock during the period. It is gross of costs only where the filer reports it so, and it does not include noncash issuances.",
      "observations": [
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 25457000,
          "accn": "0001193125-15-069137",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-27",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 135651000,
          "accn": "0001193125-14-075029",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1121000,
          "accn": "0001193125-13-082311",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 68098000,
          "accn": "0001193125-12-082591",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/31fde2dd9d67f5550abd1fc7ee0c9a56452450ac693fa062255d1943f7cef800.json.gz"
}
