Organization record
Nuverra Environmental Solutions, Inc.
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| accounts_payable | {"amount": 4497000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-09-30 | sec_edgar |
| accounts_payable | {"amount": 4851000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_payable | {"amount": 6412000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_payable | {"amount": 5130000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_payable | {"amount": 4008000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_payable | {"amount": 3811000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_payable | {"amount": 6098000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_payable | {"amount": 5633000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_payable | {"amount": 6745000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_payable | {"amount": 7052000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_payable | {"amount": 5980000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_payable | {"amount": 9061000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_payable | {"amount": 7102000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_payable | {"amount": 7889000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_payable | {"amount": 9602000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_payable | {"amount": 7946000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_payable | {"amount": 7534000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_payable | {"amount": 6293000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_payable | {"amount": 6286000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_payable | {"amount": 4047000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_payable | {"amount": 4206000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_payable | {"amount": 6173000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_payable | {"amount": 7269000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_payable | {"amount": 6907000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_payable | {"amount": 8999000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_payable | {"amount": 12856000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_payable | {"amount": 14118000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 18859000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_payable | {"amount": 21505000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_payable | {"amount": 23252000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_payable | {"amount": 27264000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 33229000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_payable | {"amount": 35973000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_payable | {"amount": 38649000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 30298000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 23401000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 28939000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 32013000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 17632000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 19992000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 22166000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 31331000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 7238000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 17188000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-09-30 | sec_edgar |
| accounts_receivable | {"amount": 15270000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_receivable | {"amount": 16788000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_receivable | {"amount": 15427000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_receivable | {"amount": 15955000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_receivable | {"amount": 16881000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_receivable | {"amount": 22703000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_receivable | {"amount": 26493000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 31045000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_receivable | {"amount": 28777000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_receivable | {"amount": 28689000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_receivable | {"amount": 31392000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 29706000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_receivable | {"amount": 32476000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_receivable | {"amount": 36186000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_receivable | {"amount": 30965000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 32843000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_receivable | {"amount": 28215000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_receivable | {"amount": 23479000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_receivable | {"amount": 23795000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 22188000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_receivable | {"amount": 19996000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_receivable | {"amount": 30857000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_receivable | {"amount": 42188000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 50523000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 61302000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 86393000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 108813000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 106297000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 96929000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 101215000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 87086000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 101314000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 114080000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 124584000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 103627000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 82802000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 78090000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 60372000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 47985000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 44714000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 42389000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 13616000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 2106000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-09-30 | sec_edgar |
| capex | {"amount": 1302000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-06-30 | sec_edgar |
| capex | {"amount": 612000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-03-31 | sec_edgar |
| capex | {"amount": 3390000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-12-31 | sec_edgar |
| capex | {"amount": 2802000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-09-30 | sec_edgar |
| capex | {"amount": 2328000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-06-30 | sec_edgar |
| capex | {"amount": 1413000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-03-31 | sec_edgar |
| capex | {"amount": 8243000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-12-31 | sec_edgar |
| capex | {"amount": 7341000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-09-30 | sec_edgar |
| capex | {"amount": 5019000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-06-30 | sec_edgar |
| capex | {"amount": 3626000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-03-31 | sec_edgar |
| capex | {"amount": 12241000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-12-31 | sec_edgar |
| capex | {"amount": 9687000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-09-30 | sec_edgar |
| capex | {"amount": 7103000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-06-30 | sec_edgar |
| capex | {"amount": 3380000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-03-31 | sec_edgar |
| capex | {"amount": 2231000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-12-31 | sec_edgar |
| capex | {"amount": 404000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2017-09-30 | sec_edgar |
| capex | {"amount": 3149000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-07-31 | sec_edgar |
| capex | {"amount": 2319000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-06-30 | sec_edgar |
| capex | {"amount": 1029000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-03-31 | sec_edgar |
| capex | {"amount": 3826000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-12-31 | sec_edgar |
| capex | {"amount": 2613000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-09-30 | sec_edgar |
| capex | {"amount": 2133000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-06-30 | sec_edgar |
| capex | {"amount": 1421000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-03-31 | sec_edgar |
| capex | {"amount": 19201000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-12-31 | sec_edgar |
| capex | {"amount": 16564000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-09-30 | sec_edgar |
| capex | {"amount": 10807000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-06-30 | sec_edgar |
| capex | {"amount": 6163000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-03-31 | sec_edgar |
| capex | {"amount": 55731000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-12-31 | sec_edgar |
| capex | {"amount": 43018000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-09-30 | sec_edgar |
| capex | {"amount": 23943000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-06-30 | sec_edgar |
| capex | {"amount": 7743000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-03-31 | sec_edgar |
| capex | {"amount": 46593000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-12-31 | sec_edgar |
| capex | {"amount": 33224000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-09-30 | sec_edgar |
| capex | {"amount": 21400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-06-30 | sec_edgar |
| capex | {"amount": 13899000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-03-31 | sec_edgar |
| capex | {"amount": 43516000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-12-31 | sec_edgar |
| capex | {"amount": 33844000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-09-30 | sec_edgar |
| capex | {"amount": 26833000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-06-30 | sec_edgar |
| capex | {"amount": 17472000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-03-31 | sec_edgar |
| capex | {"amount": 150921000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-12-31 | sec_edgar |
| capex | {"amount": 103457000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-09-30 | sec_edgar |
| capex | {"amount": 58503000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-06-30 | sec_edgar |
| capex | {"amount": 28815000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-03-31 | sec_edgar |
| capex | {"amount": 17443000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-12-31 | sec_edgar |
| capex | {"amount": 14273000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-09-30 | sec_edgar |
| capex | {"amount": 13248000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-06-30 | sec_edgar |
| capex | {"amount": 19970000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3934000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2021-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7374000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 10578000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12880000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13469000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 15793000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9888000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2020-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4788000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3028000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5978000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3949000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7302000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15077000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 12808000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4088000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5488000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3248000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7193000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1205000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 191000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 994000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 587000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 303000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 30000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 39309000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 49387000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 34634000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 35486000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13367000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2214000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3347000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 10196000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8783000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8040000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8674000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 17864000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 14776000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11677000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5133000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 129881000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 80194000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 25127000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 36887000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 88607000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 80752000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 148530000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 118854000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 123407000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 7639000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2021-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 10697000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2021-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 13568000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2021-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 15700000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 13469000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 15793000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 10467000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 5710000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4412000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 7853000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 5278000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 7958000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2018-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 16927000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 14356000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 6172000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2018-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 6784000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2017-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 11006000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 14998000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-07-31 | sec_edgar |