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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": "2025-12-31", "val": 9524000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "unit": "USD" }, { "end": "2024-12-31", "val": 39267000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 31907000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 39119000, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 36195000, "accn": "0000096869-24-000005", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-06", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 55320000, "accn": "0000096869-22-000005", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-03", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 27106000, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 15908000, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 20107000, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 1258000, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 1930000, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 5638000, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 9031000, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 7219000, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 18372000, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 22027000, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2009-12-31", "val": 683000, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2009Q4I", "unit": "USD" }, { "end": "2008-12-31", "val": 3880000, "accn": "0001193125-12-109149", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-12", "frame": "CY2008Q4I", "unit": "USD" } ] }, { "tag": "NetIncomeLoss", "taxonomy": "us-gaap", "label": "Net income or loss", "kind": "duration", "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 75000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 2690000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 3265000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 15808000, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 5348000, "accn": "0000096869-24-000005", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-06", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -740000, "accn": "0000096869-23-000006", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-08", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 10580000, "accn": "0000096869-22-000005", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-03", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 4255000, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -1797000, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 800000, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 2950000, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 5655000, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 4165000, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 4441000, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 15894000, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 4175000, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": -3377000, "accn": "0001193125-12-109149", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-12", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInOperatingActivities", "taxonomy": "us-gaap", "label": "Operating cash flow", "kind": "duration", "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 6132000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 14314000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 13655000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 8531000, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 2816000, "accn": "0000096869-24-000005", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-06", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 15481000, "accn": "0000096869-23-000006", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-08", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 16045000, "accn": "0000096869-22-000005", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-03", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 14354000, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 9830000, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 5585000, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 16968000, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 13218000, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 9536000, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 14092000, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 9484000, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 3199000, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 1361000, "accn": "0001193125-12-109149", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-12", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "PaymentsToAcquirePropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Capital expenditure payments", "kind": "duration", "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.", "observations": [ { "start": "2024-01-01", "end": "2024-12-31", "val": 57234000, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 21328000, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 22602000, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 20879000, "accn": "0000096869-24-000005", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-06", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 22259000, "accn": "0000096869-23-000006", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-08", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 25222000, "accn": "0000096869-22-000005", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-03", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 22580000, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 21709000, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 26380000, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 28048000, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 24775000, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 21558000, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 20669000, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 13649000, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 14196000, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 20925000, "accn": "0001193125-12-109149", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-12", "frame": "CY2009", "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": "2020-01-01", "end": "2020-12-31", "val": 37830000, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 49523000, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 45619000, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 35255000, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 45979000, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 51147000, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 51069000, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 45000000, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 47089000, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 63098000, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 35513000, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 28251000, "accn": "0001193125-12-109149", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-12", "frame": "CY2009", "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": "2025-01-01", "end": "2025-12-31", "val": 49591000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 41886000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 44739000, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 79217000, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022", "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. 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Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 26949278, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2025", "unit": "shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 26823406, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2024", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 26706824, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 26652919, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 26414014, "accn": "0000096869-24-000005", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-06", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 26346450, "accn": "0000096869-23-000006", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-08", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 26149115, "accn": "0000096869-22-000005", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-03", "frame": "CY2019", "unit": "shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 25975904, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2018", "unit": "shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 21718390, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2017", "unit": "shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 20784742, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016", "unit": "shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 20737671, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 20632455, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2014", "unit": "shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 20385555, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2013", "unit": "shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 20118976, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2012", "unit": "shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 19955260, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2011", "unit": "shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 18571307, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2010", "unit": "shares" } ] }, { "tag": "EarningsPerShareBasic", "taxonomy": "us-gaap", "label": "Basic earnings per share", "kind": "duration", "unitKind": "per-share", "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 0, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 0.1, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 0.12, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 0.6, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 0.2, "accn": "0000096869-24-000005", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-06", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -0.03, "accn": "0000096869-23-000006", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-08", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 0.41, "accn": "0000096869-22-000005", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-03", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 0.16, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -0.08, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 0.04, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 0.14, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 0.27, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 0.21, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 0.22, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 0.8, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 0.23, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": -0.19, "accn": "0001193125-12-109149", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-12", "frame": "CY2009", "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": "2025-01-01", "end": "2025-12-31", "val": 0, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 0.1, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 0.12, "accn": "0001628280-26-019685", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-19", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 0.59, "accn": "0000096869-25-000006", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-06", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 0.2, "accn": "0000096869-24-000005", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-06", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -0.03, "accn": "0000096869-23-000006", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-08", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 0.4, "accn": "0000096869-22-000005", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-03", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 0.16, "accn": "0000096869-21-000005", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-03", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -0.08, "accn": "0000096869-20-000007", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-10", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 0.04, "accn": "0000096869-19-000004", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-01", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 0.14, "accn": "0000096869-18-000005", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 0.27, "accn": "0000096869-17-000002", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-13", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 0.2, "accn": "0000096869-16-000013", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-08", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 0.22, "accn": "0000096869-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-16", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 0.8, "accn": "0000096869-14-000005", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-17", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 0.22, "accn": "0001445305-13-000628", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-15", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": -0.19, "accn": "0001193125-12-109149", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-12", "frame": "CY2009", "unit": "USD/shares" } ] }, { "tag": "IncomeTaxExpenseBenefit", "taxonomy": "us-gaap", "label": "Income tax expense or benefit", "kind": "duration", "unitKind": "money", "meaning": "Current and deferred income tax expense or benefit for continuing operations. 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