{ "schema": "canli.company-reference.v1", "cik": "0000755001", "name": "UNITIL CORPORATION", "selection_policy": "extended-v22", "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000755001.json", "source_sha256": "2c1e8e74a1540d14826690b67fe29e86a3b324741592a833fb4d6bc3835f9d3f", "fetched_at": "2026-09-19T15:02:11.233Z", "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. 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Restricted cash and longer-term investments may be reported separately.", "observations": [ { "end": "2025-12-31", "val": 15600000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "unit": "USD" }, { "end": "2024-12-31", "val": 6300000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 6500000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 9000000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 6500000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 6000000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 5200000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 7800000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 8900000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 5800000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 8700000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 8400000, "accn": "0001193125-18-028247", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-01", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 9400000, "accn": "0001193125-17-028224", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-02", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 9800000, "accn": "0001193125-16-440721", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-01-28", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 7500000, "accn": "0001193125-15-023683", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-01-28", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2011-01-01", "val": 8900000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "unit": "USD" }, { "end": "2010-12-31", "val": 8900000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2009-12-31", "val": 7700000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2009Q4I", "unit": "USD" }, { "end": "2008-12-31", "val": 11500000, "accn": "0001193125-12-033219", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-01", "frame": "CY2008Q4I", "unit": "USD" }, { "end": "2007-12-31", "val": 4600000, "accn": "0001193125-11-022690", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-03", "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": "2025-01-01", "end": "2025-12-31", "val": 50200000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 47100000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 45200000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 41400000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 36100000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 32200000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 44200000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 33000000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 29000000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 27100000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 26300000, "accn": "0001193125-18-028247", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-01", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 24700000, "accn": "0001193125-17-028224", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-02", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 21600000, "accn": "0001193125-16-440721", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-01-28", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 18200000, "accn": "0001193125-15-023683", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-01-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-02", "end": "2011-12-31", "val": 16400000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 16400000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 9600000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 10000000, "accn": "0001193125-12-033219", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-01", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 9700000, "accn": "0001193125-11-022690", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-03", "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": "2025-01-01", "end": "2025-12-31", "val": 131300000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 125900000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 107000000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 97700000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 107800000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 75700000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 104900000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 78500000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 86200000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 68300000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2016", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 96300000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 66700000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-02", "end": "2011-12-31", "val": 45900000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 45900000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 25900000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 50900000, "accn": "0001193125-12-033219", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-01", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 47300000, "accn": "0001193125-11-022690", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-03", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "PaymentsToAcquirePropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Capital expenditure payments", "kind": "duration", "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 185100000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 169900000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 141000000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 122100000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 115000000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 122600000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 119200000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 102400000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 119300000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 98100000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 103900000, "accn": "0001193125-18-028247", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-01", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 92600000, "accn": "0001193125-17-028224", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-02", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 89500000, "accn": "0001193125-16-440721", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-01-28", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 68500000, "accn": "0001193125-15-023683", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-01-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-02", "end": "2011-12-31", "val": 57100000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 57100000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 49600000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 58700000, "accn": "0001193125-12-033219", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-01", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 28300000, "accn": "0001193125-11-022690", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-03", "frame": "CY2008", "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": 536000000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 494800000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 557100000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 563200000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 473300000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 418600000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 438200000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 444100000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 406200000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 383400000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2016", "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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This differs from capital expenditure payments alone.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": -345500000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": -169900000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": -141000000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": -122100000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": -115000000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -122600000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": -105800000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": -102400000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -119300000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": -98100000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2016", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -89500000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -68500000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-02", "end": "2011-12-31", "val": -57100000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": -57100000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": -49600000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": -65600000, "accn": "0001193125-12-033219", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-01", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": -238200000, "accn": "0001193125-11-022690", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-03", "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": "2025-12-31", "val": 191200000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "unit": "USD" }, { "end": "2024-12-31", "val": 171100000, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 151500000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 132500000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 116200000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 103700000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 94100000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 72000000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 60800000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 52200000, "accn": "0001193125-18-028247", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-01", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 45100000, "accn": "0001193125-17-028224", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-02", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 38400000, "accn": "0001193125-16-440721", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-01-28", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 32900000, "accn": "0001193125-15-023683", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-01-28", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 30400000, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "frame": "CY2012Q4I", "unit": "USD" } ] }, { "tag": "WeightedAverageNumberOfSharesOutstandingBasic", "taxonomy": "us-gaap", "label": "Basic weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 16786081, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 16098267, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 16045300, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 15991000, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 15373000, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 14951000, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 14894000, "accn": "0001193125-22-023936", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-01", "frame": "CY2019", "unit": "shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 14824000, "accn": "0001193125-21-025264", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-02", "frame": "CY2018", "unit": "shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 14095000, "accn": "0001193125-20-019075", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-01-30", "frame": "CY2017", "unit": "shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 13990000, "accn": "0001193125-19-023132", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-01-31", "frame": "CY2016", "unit": "shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 13917000, "accn": "0001193125-18-028247", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-01", "frame": "CY2015", "unit": "shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 13843000, "accn": "0001193125-17-028224", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-02", "frame": "CY2014", "unit": "shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 13773000, "accn": "0001193125-16-440721", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-01-28", "frame": "CY2013", "unit": "shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 12669000, "accn": "0001193125-15-023683", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-01-28", "frame": "CY2012", "unit": "shares" }, { "start": "2011-01-02", "end": "2011-12-31", "val": 10880025, "accn": "0001193125-14-025354", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-01-29", "unit": "shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 10880000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2011", "unit": "shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 10823000, "accn": "0001193125-13-029141", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-01-30", "frame": "CY2010", "unit": "shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 9647000, "accn": "0001193125-12-033219", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-01", "frame": "CY2009", "unit": "shares" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 5830000, "accn": "0001193125-11-022690", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-03", "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. 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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": 2.97, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 2.93, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 2.82, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 2.59, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 2.35, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 2.15, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "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": 2.97, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 2.93, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 2.82, "accn": "0001193125-26-042983", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-09", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 2.59, "accn": "0000950170-25-017154", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-10", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 2.35, "accn": "0000950170-24-014186", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-13", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 2.15, "accn": "0000950170-23-002696", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-14", "frame": "CY2020", "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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