CIK 0000009326
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_receivable | {"amount": 148973000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2026-06-30 | sec_edgar |
| accounts_receivable | {"amount": 154232000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2026-03-31 | sec_edgar |
| accounts_receivable | {"amount": 143596000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-12-31 | sec_edgar |
| accounts_receivable | {"amount": 131542000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-09-30 | sec_edgar |
| accounts_receivable | {"amount": 135982000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-06-30 | sec_edgar |
| accounts_receivable | {"amount": 130447000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-03-31 | sec_edgar |
| accounts_receivable | {"amount": 119662000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-12-31 | sec_edgar |
| accounts_receivable | {"amount": 120537000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-09-30 | sec_edgar |
| accounts_receivable | {"amount": 123400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-06-30 | sec_edgar |
| accounts_receivable | {"amount": 139881000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-03-31 | sec_edgar |
| accounts_receivable | {"amount": 125284000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-12-31 | sec_edgar |
| accounts_receivable | {"amount": 129009000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-09-30 | sec_edgar |
| accounts_receivable | {"amount": 125109000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-06-30 | sec_edgar |
| accounts_receivable | {"amount": 131369000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-03-31 | sec_edgar |
| accounts_receivable | {"amount": 131578000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-12-31 | sec_edgar |
| accounts_receivable | {"amount": 140812000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-09-30 | sec_edgar |
| accounts_receivable | {"amount": 138579000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-06-30 | sec_edgar |
| accounts_receivable | {"amount": 136974000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-03-31 | sec_edgar |
| accounts_receivable | {"amount": 117408000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-12-31 | sec_edgar |
| accounts_receivable | {"amount": 110711000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-09-30 | sec_edgar |
| accounts_receivable | {"amount": 113782000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-06-30 | sec_edgar |
| accounts_receivable | {"amount": 106806000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-03-31 | sec_edgar |
| accounts_receivable | {"amount": 98214000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_receivable | {"amount": 98709000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_receivable | {"amount": 97107000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_receivable | {"amount": 105867000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2020-03-31 | sec_edgar |
| accounts_receivable | {"amount": 93444000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 93995000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_receivable | {"amount": 101595000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2019-06-30 | sec_edgar |
| accounts_receivable | {"amount": 99834000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_receivable | {"amount": 99545000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 101205000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-09-30 | sec_edgar |
| accounts_receivable | {"amount": 98595000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_receivable | {"amount": 96001000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_receivable | {"amount": 91226000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 86715000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_receivable | {"amount": 84791000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_receivable | {"amount": 79171000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_receivable | {"amount": 83252000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 68841000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_receivable | {"amount": 67072000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_receivable | {"amount": 69365000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_receivable | {"amount": 60485000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 64220000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 63498000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 64088000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 71982000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 72607000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 74459000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 43812000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 39386000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 40510000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 39679000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 45678000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 41999000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 36931000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 36847000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 37977000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 34433000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 36415000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 38527000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 32050000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 25833000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-09-30 | sec_edgar |
| capex | {"amount": 17513000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-06-30 | sec_edgar |
| capex | {"amount": 9612000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2023-03-31 | sec_edgar |
| capex | {"amount": 49086000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-12-31 | sec_edgar |
| capex | {"amount": 34950000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-09-30 | sec_edgar |
| capex | {"amount": 20109000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-06-30 | sec_edgar |
| capex | {"amount": 9709000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-03-31 | sec_edgar |
| capex | {"amount": 36142000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-12-31 | sec_edgar |
| capex | {"amount": 21568000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-09-30 | sec_edgar |
| capex | {"amount": 13126000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-06-30 | sec_edgar |
| capex | {"amount": 5951000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-03-31 | sec_edgar |
| capex | {"amount": 32080000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-12-31 | sec_edgar |
| capex | {"amount": 19279000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-09-30 | sec_edgar |
| capex | {"amount": 12375000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-06-30 | sec_edgar |
| capex | {"amount": 4989000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-03-31 | sec_edgar |
| capex | {"amount": 25790000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-12-31 | sec_edgar |
| capex | {"amount": 19557000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-09-30 | sec_edgar |
| capex | {"amount": 14688000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-06-30 | sec_edgar |
| capex | {"amount": 8488000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-03-31 | sec_edgar |
| capex | {"amount": 19170000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-12-31 | sec_edgar |
| capex | {"amount": 11328000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-09-30 | sec_edgar |
| capex | {"amount": 7700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-06-30 | sec_edgar |
| capex | {"amount": 3735000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-03-31 | sec_edgar |
| capex | {"amount": 27526000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-12-31 | sec_edgar |
| capex | {"amount": 17676000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-09-30 | sec_edgar |
| capex | {"amount": 10819000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-06-30 | sec_edgar |
| capex | {"amount": 2934000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-03-31 | sec_edgar |
| capex | {"amount": 23034000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-12-31 | sec_edgar |
| capex | {"amount": 18801000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-09-30 | sec_edgar |
| capex | {"amount": 14736000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-06-30 | sec_edgar |
| capex | {"amount": 10660000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-03-31 | sec_edgar |
| capex | {"amount": 41300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-12-31 | sec_edgar |
| capex | {"amount": 28117000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-09-30 | sec_edgar |
| capex | {"amount": 15299000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-06-30 | sec_edgar |
| capex | {"amount": 6368000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-03-31 | sec_edgar |
| capex | {"amount": 13199000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-12-31 | sec_edgar |
| capex | {"amount": 5934000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-09-30 | sec_edgar |
| capex | {"amount": 3504000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-06-30 | sec_edgar |
| capex | {"amount": 1138000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-03-31 | sec_edgar |
| capex | {"amount": 8187000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-12-31 | sec_edgar |
| capex | {"amount": 6644000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-09-30 | sec_edgar |
| capex | {"amount": 5171000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-06-30 | sec_edgar |
| capex | {"amount": 3400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-03-31 | sec_edgar |
| capex | {"amount": 13883000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-12-31 | sec_edgar |
| capex | {"amount": 7493000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-09-30 | sec_edgar |
| capex | {"amount": 3198000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-06-30 | sec_edgar |
| capex | {"amount": 1401000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-03-31 | sec_edgar |
| capex | {"amount": 6612000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-12-31 | sec_edgar |
| capex | {"amount": 4851000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-09-30 | sec_edgar |
| capex | {"amount": 3210000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-06-30 | sec_edgar |
| capex | {"amount": 1786000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-03-31 | sec_edgar |
| capex | {"amount": 7557000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-12-31 | sec_edgar |
| capex | {"amount": 6004000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-09-30 | sec_edgar |
| capex | {"amount": 4469000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-06-30 | sec_edgar |
| capex | {"amount": 3429000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 63174000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2026-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 72873000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2026-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 74570000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 65093000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 65427000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 49901000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 49515000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 73694000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 63738000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 60349000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 64447000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 76952000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 66856000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 60199000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 66560000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 56489000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 76183000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 64466000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 103239000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 90013000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 79902000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 88535000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 84571000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 78967000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 76407000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 73959000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 65672000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 59404000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 41674000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 39004000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 54268000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 42671000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 62476000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 42679000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 40416000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 34741000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 43599000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 36997000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 38643000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 32533000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 33421000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 39172000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 84795000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 81556000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 72243000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 56613000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 50287000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 25404000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 59714000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 207330000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 208747000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 190179000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 171220000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 149090000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 144737000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 147182000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 138060000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 121291000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 114781000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 104872000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 89742000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 82052000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 77253000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 65447000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 50374000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 46432000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3422000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 63174000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2026-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 72873000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2026-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 74570000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 65093000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 65427000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 49901000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 49515000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 73694000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 63738000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 60349000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 64447000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 76952000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 66856000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 60199000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 66560000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2022-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 56489000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2022-09-30 | sec_edgar |