CIK 0000072162 · QID Q6954692
Branche: Industrial Inorganic Chemicals
Zeitreihen: Revenue nach Geschäftsjahr · Net Income nach Geschäftsjahr
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 3949000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2026-06-30 | sec_edgar |
| accounts_payable | {"amount": 3239000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2026-03-31 | sec_edgar |
| accounts_payable | {"amount": 2697000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| accounts_payable | {"amount": 3246000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-09-30 | sec_edgar |
| accounts_payable | {"amount": 4117000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| accounts_payable | {"amount": 3970000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-03-31 | sec_edgar |
| accounts_payable | {"amount": 3758000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| accounts_payable | {"amount": 3291000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-09-30 | sec_edgar |
| accounts_payable | {"amount": 3791000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| accounts_payable | {"amount": 3074000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-03-31 | sec_edgar |
| accounts_payable | {"amount": 3148000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| accounts_payable | {"amount": 3991000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-09-30 | sec_edgar |
| accounts_payable | {"amount": 5224000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| accounts_payable | {"amount": 3925000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-03-31 | sec_edgar |
| accounts_payable | {"amount": 3537000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_payable | {"amount": 5171000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-09-30 | sec_edgar |
| accounts_payable | {"amount": 6420000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-06-30 | sec_edgar |
| accounts_payable | {"amount": 5126000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| accounts_payable | {"amount": 3408000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-12-31 | sec_edgar |
| accounts_payable | {"amount": 4501000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-09-30 | sec_edgar |
| accounts_payable | {"amount": 3754000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_payable | {"amount": 3060000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_payable | {"amount": 2647000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_payable | {"amount": 2714000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_payable | {"amount": 2868000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_payable | {"amount": 3300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_payable | {"amount": 3438000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_payable | {"amount": 4987000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_payable | {"amount": 3688000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_payable | {"amount": 4497000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_payable | {"amount": 4831000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_payable | {"amount": 5833000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_payable | {"amount": 3684000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_payable | {"amount": 3921000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_payable | {"amount": 4116000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_payable | {"amount": 5357000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_payable | {"amount": 4638000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_payable | {"amount": 5011000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_payable | {"amount": 5026000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_payable | {"amount": 5387000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_payable | {"amount": 4378000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_payable | {"amount": 4740000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_payable | {"amount": 4557000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_payable | {"amount": 5107000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_payable | {"amount": 9561000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_payable | {"amount": 5270000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 6115000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_payable | {"amount": 5978000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_payable | {"amount": 5195000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_payable | {"amount": 5285000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 3006000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_payable | {"amount": 6268000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_payable | {"amount": 3630000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 4434000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 5363000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 7713000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 7398000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 7168000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 8184000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 5871000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 7693000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 9179000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 1522000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2026-06-30 | sec_edgar |
| capex | {"amount": 404000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2026-03-31 | sec_edgar |
| capex | {"amount": 3747000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-12-31 | sec_edgar |
| capex | {"amount": 3148000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-09-30 | sec_edgar |
| capex | {"amount": 2165000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-06-30 | sec_edgar |
| capex | {"amount": 822000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2025-03-31 | sec_edgar |
| capex | {"amount": 1432000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2024-12-31 | sec_edgar |
| capex | {"amount": 1194000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2024-09-30 | sec_edgar |
| capex | {"amount": 730000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2024-06-30 | sec_edgar |
| capex | {"amount": 305000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2024-03-31 | sec_edgar |
| capex | {"amount": 1130000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2023-12-31 | sec_edgar |
| capex | {"amount": 564000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-09-30 | sec_edgar |
| capex | {"amount": 478000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-06-30 | sec_edgar |
| capex | {"amount": 270000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-03-31 | sec_edgar |
| capex | {"amount": 3695000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-12-31 | sec_edgar |
| capex | {"amount": 3008000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-09-30 | sec_edgar |
| capex | {"amount": 2215000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-06-30 | sec_edgar |
| capex | {"amount": 1717000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-03-31 | sec_edgar |
| capex | {"amount": 4094000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-12-31 | sec_edgar |
| capex | {"amount": 2266000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-09-30 | sec_edgar |
| capex | {"amount": 1598000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-06-30 | sec_edgar |
| capex | {"amount": 568000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-03-31 | sec_edgar |
| capex | {"amount": 1740000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-12-31 | sec_edgar |
| capex | {"amount": 1291000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-09-30 | sec_edgar |
| capex | {"amount": 861000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-06-30 | sec_edgar |
| capex | {"amount": 360000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-03-31 | sec_edgar |
| capex | {"amount": 3166000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-12-31 | sec_edgar |
| capex | {"amount": 2453000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-09-30 | sec_edgar |
| capex | {"amount": 1811000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-06-30 | sec_edgar |
| capex | {"amount": 439000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-03-31 | sec_edgar |
| capex | {"amount": 3118000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-12-31 | sec_edgar |
| capex | {"amount": 2043000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-09-30 | sec_edgar |
| capex | {"amount": 1367000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-06-30 | sec_edgar |
| capex | {"amount": 644000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2018-03-31 | sec_edgar |
| capex | {"amount": 2810000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-12-31 | sec_edgar |
| capex | {"amount": 2152000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-09-30 | sec_edgar |
| capex | {"amount": 1611000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-06-30 | sec_edgar |
| capex | {"amount": 621000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2017-03-31 | sec_edgar |
| capex | {"amount": 3206000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-12-31 | sec_edgar |
| capex | {"amount": 2354000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-09-30 | sec_edgar |
| capex | {"amount": 1684000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-06-30 | sec_edgar |
| capex | {"amount": 1226000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-03-31 | sec_edgar |
| capex | {"amount": 4304000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-12-31 | sec_edgar |
| capex | {"amount": 2570000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-09-30 | sec_edgar |
| capex | {"amount": 1994000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-06-30 | sec_edgar |
| capex | {"amount": 796000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2015-03-31 | sec_edgar |
| capex | {"amount": 2858000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-12-31 | sec_edgar |
| capex | {"amount": 2199000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-09-30 | sec_edgar |
| capex | {"amount": 1655000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-06-30 | sec_edgar |
| capex | {"amount": 752000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-03-31 | sec_edgar |
| capex | {"amount": 3541000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-12-31 | sec_edgar |
| capex | {"amount": 2589000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-09-30 | sec_edgar |
| capex | {"amount": 1553000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-06-30 | sec_edgar |
| capex | {"amount": 672000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-03-31 | sec_edgar |
| capex | {"amount": 4564000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-12-31 | sec_edgar |
| capex | {"amount": 3172000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-09-30 | sec_edgar |
| capex | {"amount": 2211000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-06-30 | sec_edgar |
| capex | {"amount": 656000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-03-31 | sec_edgar |
| capex | {"amount": 3276000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-12-31 | sec_edgar |
| capex | {"amount": 1838000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-09-30 | sec_edgar |
| capex | {"amount": 1328000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-06-30 | sec_edgar |
| capex | {"amount": 605000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-03-31 | sec_edgar |
| capex | {"amount": 2132000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-12-31 | sec_edgar |
| capex | {"amount": 1474000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-09-30 | sec_edgar |
| capex | {"amount": 2324000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 106988000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2026-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 101909000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2026-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 110615000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 101923000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 111469000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 109999000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 163154000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 145960000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 167453000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 138257000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 111522000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2023-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 65837000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 58523000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 48146000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 68868000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 127951000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2022-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 151248000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2022-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 145058000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2022-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 147002000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 142196000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 145273000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 134826000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 137039000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 128792000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2020-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 134301000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2020-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 133406000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2020-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 129730000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 109419000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 128582000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 111361000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 116259000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 123028000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 111140000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 99948000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 98316000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 96643000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 90063000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 93409000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 93162000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 100995000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 102056000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 95230000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 96462000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 88392000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 83155000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 73202000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 72560000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 72503000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 57943000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 52573000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 52609000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 52175000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 71735000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 72593000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": -77987000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8782000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7480000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4963000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11652000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 14217000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7004000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9694000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15461000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12746000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8944000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 24555000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16450000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2008-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 104481000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2018-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 102941000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2017-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 101760000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2017-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 94550000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 97896000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 98242000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2016-12-31 | sec_edgar |