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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. 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Restricted cash and longer-term investments may be reported separately.", "observations": [ { "end": "2025-09-30", "val": 0, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "frame": "CY2025Q3I", "unit": "USD" }, { "end": "2024-12-31", "val": 160511000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 2160535000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 2582222000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 2800998000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 2987225000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 2795642000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 2400803000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 2351693000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 2094674000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 1802729000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 364516000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 217032000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 102219000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 192763000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 194040000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2009-12-31", "val": 18204000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2009Q4I", "unit": "USD" }, { "end": "2008-12-31", "val": 15518000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2008Q4I", "unit": "USD" }, { "end": "2007-12-31", "val": 19879000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "frame": "CY2007Q4I", "unit": "USD" } ] }, { "tag": "NetIncomeLoss", "taxonomy": "us-gaap", "label": "Net income or loss", "kind": "duration", "meaning": "Reported profit or loss for the period. 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Working-capital timing can make this differ substantially from reported income.", "observations": [ { "start": "2024-01-01", "end": "2024-10-31", "val": 99130000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 122268000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 65040000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 16109000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 33328000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 98945000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 89536000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 99996000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 163703000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 188114000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 224380000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 234651000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 276783000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 263332000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 252054000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 297241000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 298442000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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": "2024-01-01", "end": "2024-10-31", "val": 47975000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 60524000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 63140000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 58002000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 66278000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 127850000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 197022000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 340571000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 500680000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "USD" } ] }, { "tag": "RevenueFromContractWithCustomerExcludingAssessedTax", "taxonomy": "us-gaap", "label": "Contract revenue excluding tax", "kind": "duration", "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.", "observations": [ { "start": "2024-01-01", "end": "2024-10-31", "val": 4359000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 5188000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 4377000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 3075000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 4144000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 10981000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 12654000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 16156000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInFinancingActivities", "taxonomy": "us-gaap", "label": "Financing cash flow", "kind": "duration", "unitKind": "money", "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.", "observations": [ { "start": "2024-01-01", "end": "2024-10-31", "val": -11133000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": -538264000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": -280336000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": -195533000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -490000000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": -698136000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": -988149000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -306198000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": -923182000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": -593013000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -847008000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -301017000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 380423000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 359807000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 274861000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 170937000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": -219956000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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. 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This balance is not cash available for distribution.", "observations": [ { "end": "2023-12-31", "val": 3926979000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 3835815000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 3798552000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 3814948000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 3363654000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 2870974000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 2596259000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 2566603000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 2333709000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 2233852000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 2209840000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 2386900000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 2482321000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 2372337000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2009-12-31", "val": 2236928000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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": "2024-01-01", "end": "2024-10-31", "val": 107373000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 108841000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 111674000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 121411000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 121786000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 122091000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 122314000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 124125000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 125474000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 128621000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 125163000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 112378000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 77428000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2011", "unit": "shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 64703000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2010", "unit": "shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 56055000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2009", "unit": "shares" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 56617000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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": "2024-01-01", "end": "2024-10-31", "val": 108320000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 110185000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 112825000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 121411000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 126606000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 126260000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 123385000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 125129000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 126768000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 129437000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 125163000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 112378000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 84726000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2011", "unit": "shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 72001000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2010", "unit": "shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 63353000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2009", "unit": "shares" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 63915000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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": "2016-01-01", "end": "2016-12-31", "val": 1.64, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 0.56, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -0.19, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -1.97, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 1.26, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 2.03, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "frame": "CY2009", "unit": "USD/shares" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 3.43, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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": "2016-01-01", "end": "2016-12-31", "val": 1.62, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 0.56, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -0.19, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -1.97, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 1.26, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 2.03, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "frame": "CY2009", "unit": "USD/shares" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 3.43, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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. 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It can differ from the net income attributable to the parent that per-share figures use.", "observations": [ { "start": "2024-01-01", "end": "2024-10-31", "val": 31715000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 91445000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 37357000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": -16429000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 452093000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 492866000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 272908000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 29666000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 232894000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 99857000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 24012000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -177060000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -79845000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 109984000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 135409000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 164674000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 244645000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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": "2021-01-01", "end": "2021-12-31", "val": -16396000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 451294000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 493022000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 274468000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 29769000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 236373000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 149386000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 9127000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -215956000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -90147000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 100569000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 137568000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 167221000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2009", "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": "2024-01-01", "end": "2024-10-31", "val": 23664000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 83176000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 29275000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": -24384000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 443306000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 484692000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 264825000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 21668000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 205329000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 71933000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -24288000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -221664000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -151958000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 62999000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 81755000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 114006000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 193977000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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": "2024-01-01", "end": "2024-10-31", "val": 30089000, "accn": "0000803649-25-000068", "fy": 2025, "fp": "Q3", "form": "10-K", "filed": "2025-10-21", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 36974000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 30378000, "accn": "0000803649-25-000020", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-27", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 37444000, "accn": "0000803649-24-000025", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 33233000, "accn": "0000803649-23-000030", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-09", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 38442000, "accn": "0000803649-22-000026", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-10", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 44439000, "accn": "0000803649-21-000023", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 47760000, "accn": "0000803649-20-000038", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-13", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 50256000, "accn": "0000803649-19-000033", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-14", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 57457000, "accn": "0000803649-18-000007", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-15", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 113155000, "accn": "0000803649-17-000006", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-16", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 80504000, "accn": "0000803649-16-000024", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-18", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 49312000, "accn": "0001628280-15-000849", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-19", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 38221000, "accn": "0001047469-14-001585", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-28", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 36672000, "accn": "0001047469-13-001551", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 36603000, "accn": "0001047469-12-001632", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-27", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 33891000, "accn": "0001047469-11-001393", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-25", "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. 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