CIK 0000310142
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_receivable | {"amount": 376503000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2026-06-30 | sec_edgar |
| accounts_receivable | {"amount": 342295000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2026-03-31 | sec_edgar |
| accounts_receivable | {"amount": 305380000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-12-31 | sec_edgar |
| accounts_receivable | {"amount": 323387000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-09-30 | sec_edgar |
| accounts_receivable | {"amount": 333951000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-06-30 | sec_edgar |
| accounts_receivable | {"amount": 315024000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2025-03-31 | sec_edgar |
| accounts_receivable | {"amount": 290087000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-12-31 | sec_edgar |
| accounts_receivable | {"amount": 302012000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-09-30 | sec_edgar |
| accounts_receivable | {"amount": 315604000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-06-30 | sec_edgar |
| accounts_receivable | {"amount": 298488000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-03-31 | sec_edgar |
| accounts_receivable | {"amount": 272164000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-12-31 | sec_edgar |
| accounts_receivable | {"amount": 284668000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-09-30 | sec_edgar |
| accounts_receivable | {"amount": 300741000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-06-30 | sec_edgar |
| accounts_receivable | {"amount": 312530000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-03-31 | sec_edgar |
| accounts_receivable | {"amount": 302109000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-12-31 | sec_edgar |
| accounts_receivable | {"amount": 287197000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-09-30 | sec_edgar |
| accounts_receivable | {"amount": 295948000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-06-30 | sec_edgar |
| accounts_receivable | {"amount": 282265000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-03-31 | sec_edgar |
| accounts_receivable | {"amount": 261121000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-12-31 | sec_edgar |
| accounts_receivable | {"amount": 263710000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-09-30 | sec_edgar |
| accounts_receivable | {"amount": 258411000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-06-30 | sec_edgar |
| accounts_receivable | {"amount": 257289000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-03-31 | sec_edgar |
| accounts_receivable | {"amount": 234132000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2020-12-31 | sec_edgar |
| accounts_receivable | {"amount": 222388000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2020-09-30 | sec_edgar |
| accounts_receivable | {"amount": 229635000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2020-06-30 | sec_edgar |
| accounts_receivable | {"amount": 240123000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2020-03-31 | sec_edgar |
| accounts_receivable | {"amount": 213201000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 244610000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2019-09-30 | sec_edgar |
| accounts_receivable | {"amount": 273109000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2019-06-30 | sec_edgar |
| accounts_receivable | {"amount": 273800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2019-03-31 | sec_edgar |
| accounts_receivable | {"amount": 255350000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 271268000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-09-30 | sec_edgar |
| accounts_receivable | {"amount": 277301000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-06-30 | sec_edgar |
| accounts_receivable | {"amount": 216480000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-03-31 | sec_edgar |
| accounts_receivable | {"amount": 195439000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 222552000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-09-30 | sec_edgar |
| accounts_receivable | {"amount": 216197000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-06-30 | sec_edgar |
| accounts_receivable | {"amount": 202343000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-03-31 | sec_edgar |
| accounts_receivable | {"amount": 194509000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 244157000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-09-30 | sec_edgar |
| accounts_receivable | {"amount": 254635000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-06-30 | sec_edgar |
| accounts_receivable | {"amount": 252328000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-03-31 | sec_edgar |
| accounts_receivable | {"amount": 232047000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 246166000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 248110000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 245458000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 228907000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 243894000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 265641000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 262220000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 233751000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 258342000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 259146000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 254451000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 237626000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 246691000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 242855000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 247814000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 219494000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 232580000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 244080000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 235780000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-03-31 | sec_edgar |
| accounts_receivable | {"amount": 218614000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 229183000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-09-30 | sec_edgar |
| accounts_receivable | {"amount": 216486000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-06-30 | sec_edgar |
| accounts_receivable | {"amount": 200186000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2009-12-31 | sec_edgar |
| capex | {"amount": 67513000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2026-06-30 | sec_edgar |
| capex | {"amount": 28737000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2026-03-31 | sec_edgar |
| capex | {"amount": 89409000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-12-31 | sec_edgar |
| capex | {"amount": 57788000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-09-30 | sec_edgar |
| capex | {"amount": 38035000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-06-30 | sec_edgar |
| capex | {"amount": 16854000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-03-31 | sec_edgar |
| capex | {"amount": 59212000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-12-31 | sec_edgar |
| capex | {"amount": 36088000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-09-30 | sec_edgar |
| capex | {"amount": 22850000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-06-30 | sec_edgar |
| capex | {"amount": 11030000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-03-31 | sec_edgar |
| capex | {"amount": 87868000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-12-31 | sec_edgar |
| capex | {"amount": 67718000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-09-30 | sec_edgar |
| capex | {"amount": 45137000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-06-30 | sec_edgar |
| capex | {"amount": 22278000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-03-31 | sec_edgar |
| capex | {"amount": 79322000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-12-31 | sec_edgar |
| capex | {"amount": 51703000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-09-30 | sec_edgar |
| capex | {"amount": 32468000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-06-30 | sec_edgar |
| capex | {"amount": 12736000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-03-31 | sec_edgar |
| capex | {"amount": 60788000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-12-31 | sec_edgar |
| capex | {"amount": 37608000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-09-30 | sec_edgar |
| capex | {"amount": 25550000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-06-30 | sec_edgar |
| capex | {"amount": 14244000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-03-31 | sec_edgar |
| capex | {"amount": 52162000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-12-31 | sec_edgar |
| capex | {"amount": 34009000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-09-30 | sec_edgar |
| capex | {"amount": 21417000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-06-30 | sec_edgar |
| capex | {"amount": 9411000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-03-31 | sec_edgar |
| capex | {"amount": 39100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-12-31 | sec_edgar |
| capex | {"amount": 26073000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-09-30 | sec_edgar |
| capex | {"amount": 16606000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-06-30 | sec_edgar |
| capex | {"amount": 8300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-03-31 | sec_edgar |
| capex | {"amount": 50740000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-12-31 | sec_edgar |
| capex | {"amount": 34090000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-09-30 | sec_edgar |
| capex | {"amount": 24000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-06-30 | sec_edgar |
| capex | {"amount": 11058000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-03-31 | sec_edgar |
| capex | {"amount": 56344000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-12-31 | sec_edgar |
| capex | {"amount": 32825000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-09-30 | sec_edgar |
| capex | {"amount": 19666000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-06-30 | sec_edgar |
| capex | {"amount": 10069000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-03-31 | sec_edgar |
| capex | {"amount": 81216000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-12-31 | sec_edgar |
| capex | {"amount": 58004000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-09-30 | sec_edgar |
| capex | {"amount": 34294000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-06-30 | sec_edgar |
| capex | {"amount": 14120000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-03-31 | sec_edgar |
| capex | {"amount": 79941000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-12-31 | sec_edgar |
| capex | {"amount": 55508000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-09-30 | sec_edgar |
| capex | {"amount": 36970000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-06-30 | sec_edgar |
| capex | {"amount": 13431000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-03-31 | sec_edgar |
| capex | {"amount": 79398000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-12-31 | sec_edgar |
| capex | {"amount": 46726000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-09-30 | sec_edgar |
| capex | {"amount": 29752000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-06-30 | sec_edgar |
| capex | {"amount": 14711000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-03-31 | sec_edgar |
| capex | {"amount": 104246000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-12-31 | sec_edgar |
| capex | {"amount": 77247000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-09-30 | sec_edgar |
| capex | {"amount": 55241000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-06-30 | sec_edgar |
| capex | {"amount": 21039000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-03-31 | sec_edgar |
| capex | {"amount": 103806000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-12-31 | sec_edgar |
| capex | {"amount": 67600000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-09-30 | sec_edgar |
| capex | {"amount": 47847000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-06-30 | sec_edgar |
| capex | {"amount": 16939000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-03-31 | sec_edgar |
| capex | {"amount": 72200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-12-31 | sec_edgar |
| capex | {"amount": 44125000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-09-30 | sec_edgar |
| capex | {"amount": 23758000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-06-30 | sec_edgar |
| capex | {"amount": 10124000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-03-31 | sec_edgar |
| capex | {"amount": 55823000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-12-31 | sec_edgar |
| capex | {"amount": 33024000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-09-30 | sec_edgar |
| capex | {"amount": 19853000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-06-30 | sec_edgar |
| capex | {"amount": 8305000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-03-31 | sec_edgar |
| capex | {"amount": 47716000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2009-12-31 | sec_edgar |
| capex | {"amount": 30933000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2009-09-30 | sec_edgar |
| capex | {"amount": 19602000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2009-06-30 | sec_edgar |
| capex | {"amount": 53680000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 31019000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2026-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 38542000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2026-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 36533000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 42669000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 56686000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 32574000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 26626000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 36969000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 30339000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 25417000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 28934000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 31985000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 36546000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 24017000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20921000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 46579000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 25271000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 32175000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 25740000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 32939000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 33306000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 28000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24770000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 26900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-09-30 | sec_edgar |
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| cash_and_equivalents | {"amount": 31901000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-12-31 | sec_edgar |
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| cash_and_equivalents | {"amount": 29344000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-12-31 | sec_edgar |
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| cash_and_equivalents | {"amount": 25865000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-12-31 | sec_edgar |
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| cash_and_equivalents | {"amount": 11997000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
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| cash_and_equivalents | {"amount": 20329000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 25789000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 28428000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
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| cash_and_equivalents | {"amount": 19836000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
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| cash_and_equivalents | {"amount": 15062000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-12-31 | sec_edgar |
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| cash_and_equivalents | {"amount": 22855000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
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