CIK 0001086434
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_receivable | {"amount": 67358000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| accounts_receivable | {"amount": 56016000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| accounts_receivable | {"amount": 51125000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| accounts_receivable | {"amount": 56424000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_receivable | {"amount": 48956000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-12-31 | sec_edgar |
| accounts_receivable | {"amount": 37003000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_receivable | {"amount": 34518000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_receivable | {"amount": 30144000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_receivable | {"amount": 27501000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 22279000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 22059000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 25448000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 25622000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 28059000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 31056000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 30794000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 26431000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 28070000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 24198000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 30923000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 26321000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 6472000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-12-31 | sec_edgar |
| capex | {"amount": 24280000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-12-31 | sec_edgar |
| capex | {"amount": 5965000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2023-12-31 | sec_edgar |
| capex | {"amount": 1487000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-12-31 | sec_edgar |
| capex | {"amount": 1174000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-12-31 | sec_edgar |
| capex | {"amount": 416000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-06-30 | sec_edgar |
| capex | {"amount": 1530000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-12-31 | sec_edgar |
| capex | {"amount": 641000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-06-30 | sec_edgar |
| capex | {"amount": 1949000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-12-31 | sec_edgar |
| capex | {"amount": 1361000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-06-30 | sec_edgar |
| capex | {"amount": 1340000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-12-31 | sec_edgar |
| capex | {"amount": 1574000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-12-31 | sec_edgar |
| capex | {"amount": 1477000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-12-31 | sec_edgar |
| capex | {"amount": 1976000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-12-31 | sec_edgar |
| capex | {"amount": 1332000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-06-30 | sec_edgar |
| capex | {"amount": 2539000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-12-31 | sec_edgar |
| capex | {"amount": 719000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-06-30 | sec_edgar |
| capex | {"amount": 1586000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-12-31 | sec_edgar |
| capex | {"amount": 1063000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-09-30 | sec_edgar |
| capex | {"amount": 673000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-06-30 | sec_edgar |
| capex | {"amount": 2006000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-12-31 | sec_edgar |
| capex | {"amount": 1844000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-09-30 | sec_edgar |
| capex | {"amount": 1579000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-12-31 | sec_edgar |
| capex | {"amount": 1569000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-12-31 | sec_edgar |
| capex | {"amount": 1271000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 45282000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 58749000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 30546000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24535000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 79423000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 116421000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 40934000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 163849000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2020-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 64773000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 31503000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24235000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24344000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18908000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15307000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 14797000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18201000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 30763000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 21598000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 19474000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 15219000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9446000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 28257000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 50311000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 38969000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 36779000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2008-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 45282000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 58749000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 30546000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 24535000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2022-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 84523000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2021-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 121521000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2021-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 46034000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 168849000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2020-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 69773000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2019-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 61410000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2019-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 31503000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 24235000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 24344000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2016-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 18908000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2015-12-31 | sec_edgar |
| cashflow_financing | {"amount": -41282000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2025-12-31 | sec_edgar |
| cashflow_financing | {"amount": -24856000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2024-12-31 | sec_edgar |
| cashflow_financing | {"amount": -28856000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2023-12-31 | sec_edgar |
| cashflow_financing | {"amount": -48596000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2022-12-31 | sec_edgar |
| cashflow_financing | {"amount": -51477000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2021-12-31 | sec_edgar |
| cashflow_financing | {"amount": -22516000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2021-06-30 | sec_edgar |
| cashflow_financing | {"amount": 77093000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2020-12-31 | sec_edgar |
| cashflow_financing | {"amount": 81601000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2020-06-30 | sec_edgar |
| cashflow_financing | {"amount": -14499000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2019-12-31 | sec_edgar |
| cashflow_financing | {"amount": -11405000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2019-06-30 | sec_edgar |
| cashflow_financing | {"amount": -17220000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2018-12-31 | sec_edgar |
| cashflow_financing | {"amount": -26278000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2017-12-31 | sec_edgar |
| cashflow_financing | {"amount": -26966000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2016-12-31 | sec_edgar |
| cashflow_financing | {"amount": -17785000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2015-12-31 | sec_edgar |
| cashflow_financing | {"amount": -7199000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_financing | {"amount": -6208000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-09-30 | sec_edgar |
| cashflow_financing | {"amount": -17392000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": -13976000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": 14726000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -3568000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -79057000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -1546000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2025-12-31 | sec_edgar |
| cashflow_investing | {"amount": 17806000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2024-12-31 | sec_edgar |
| cashflow_investing | {"amount": 19976000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2023-12-31 | sec_edgar |
| cashflow_investing | {"amount": -19673000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2022-12-31 | sec_edgar |
| cashflow_investing | {"amount": 42622000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2021-12-31 | sec_edgar |
| cashflow_investing | {"amount": 67925000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2021-06-30 | sec_edgar |
| cashflow_investing | {"amount": -139308000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2020-12-31 | sec_edgar |
| cashflow_investing | {"amount": -40000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2020-06-30 | sec_edgar |
| cashflow_investing | {"amount": 29600000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2019-12-31 | sec_edgar |
| cashflow_investing | {"amount": 24595000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2019-06-30 | sec_edgar |
| cashflow_investing | {"amount": -1092000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2018-12-31 | sec_edgar |
| cashflow_investing | {"amount": 8404000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2017-12-31 | sec_edgar |
| cashflow_investing | {"amount": 14060000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2016-12-31 | sec_edgar |
| cashflow_investing | {"amount": 4333000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2015-12-31 | sec_edgar |
| cashflow_investing | {"amount": 8655000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": 4227000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-09-30 | sec_edgar |
| cashflow_investing | {"amount": 1358000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": 404000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -35495000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -1492000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": 60273000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 29361000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2025-12-31 | sec_edgar |
| cashflow_operating | {"amount": 35253000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2024-12-31 | sec_edgar |
| cashflow_operating | {"amount": 14891000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2023-12-31 | sec_edgar |
| cashflow_operating | {"amount": 8281000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2022-12-31 | sec_edgar |
| cashflow_operating | {"amount": 47344000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2021-12-31 | sec_edgar |
| cashflow_operating | {"amount": 30078000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2021-06-30 | sec_edgar |
| cashflow_operating | {"amount": 38476000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2020-12-31 | sec_edgar |
| cashflow_operating | {"amount": 17515000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2020-06-30 | sec_edgar |
| cashflow_operating | {"amount": 23169000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2019-12-31 | sec_edgar |
| cashflow_operating | {"amount": 16717000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2019-06-30 | sec_edgar |
| cashflow_operating | {"amount": 25580000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2018-12-31 | sec_edgar |
| cashflow_operating | {"amount": 17765000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2017-12-31 | sec_edgar |
| cashflow_operating | {"amount": 18342000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2016-12-31 | sec_edgar |
| cashflow_operating | {"amount": 17563000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-12-31 | sec_edgar |
| cashflow_operating | {"amount": 8070000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2015-06-30 | sec_edgar |
| cashflow_operating | {"amount": 5957000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2014-12-31 | sec_edgar |
| cashflow_operating | {"amount": 1561000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2014-06-30 | sec_edgar |
| cashflow_operating | {"amount": 14088000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2013-12-31 | sec_edgar |
| cashflow_operating | {"amount": 8360000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-09-30 | sec_edgar |
| cashflow_operating | {"amount": 6744000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": 2996000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": -5239000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": -1285000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 16402000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 20974000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 65730082, "concept": "us-gaap:CommonStockSharesIssued"} | 2025-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 65170217, "concept": "us-gaap:CommonStockSharesIssued"} | 2024-12-31 | sec_edgar |
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| common_shares_issued | {"unit": "shares", "value": 63998443, "concept": "us-gaap:CommonStockSharesIssued"} | 2022-12-31 | sec_edgar |
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