Organization record
GOLDFIELD CORP
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_receivable | {"amount": 27483338, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_receivable | {"amount": 22861493, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_receivable | {"amount": 21844254, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_receivable | {"amount": 23930655, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 23168109, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_receivable | {"amount": 22479886, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_receivable | {"amount": 27155515, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_receivable | {"amount": 22236071, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 17639436, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_receivable | {"amount": 24418346, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_receivable | {"amount": 16495418, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_receivable | {"amount": 21566842, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 18406579, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_receivable | {"amount": 19246943, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_receivable | {"amount": 16970860, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_receivable | {"amount": 19094407, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 18547073, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_receivable | {"amount": 22768205, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_receivable | {"amount": 18975274, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_receivable | {"amount": 17250067, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 18786292, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 14035315, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 18554812, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 17840680, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 10819860, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 12507786, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 11746922, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 14194959, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 13439389, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 12270010, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 14842862, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 13288812, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 8835427, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 9673720, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 11730864, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 8991109, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2553968, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3991815, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 4393659, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 3988119, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-09-30 | sec_edgar |
| capex | {"amount": 12973359, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-09-30 | sec_edgar |
| capex | {"amount": 3963296, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-06-30 | sec_edgar |
| capex | {"amount": 8985240, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-06-30 | sec_edgar |
| capex | {"amount": 5021942, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-03-31 | sec_edgar |
| capex | {"amount": 19854468, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-12-31 | sec_edgar |
| capex | {"amount": 1821121, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-09-30 | sec_edgar |
| capex | {"amount": 16156893, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-09-30 | sec_edgar |
| capex | {"amount": 14335772, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-06-30 | sec_edgar |
| capex | {"amount": 1969592, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-06-30 | sec_edgar |
| capex | {"amount": 12366181, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-03-31 | sec_edgar |
| capex | {"amount": 19609245, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-12-31 | sec_edgar |
| capex | {"amount": 7521782, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-09-30 | sec_edgar |
| capex | {"amount": 15098872, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-09-30 | sec_edgar |
| capex | {"amount": 7577091, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-06-30 | sec_edgar |
| capex | {"amount": 4202834, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-06-30 | sec_edgar |
| capex | {"amount": 3374256, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-03-31 | sec_edgar |
| capex | {"amount": 10301721, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-12-31 | sec_edgar |
| capex | {"amount": 9532756, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-09-30 | sec_edgar |
| capex | {"amount": 7368169, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-06-30 | sec_edgar |
| capex | {"amount": 5987477, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-03-31 | sec_edgar |
| capex | {"amount": 4989663, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-12-31 | sec_edgar |
| capex | {"amount": 2913230, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-09-30 | sec_edgar |
| capex | {"amount": 1229876, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-06-30 | sec_edgar |
| capex | {"amount": 529503, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2016-03-31 | sec_edgar |
| capex | {"amount": 5997166, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-12-31 | sec_edgar |
| capex | {"amount": 5617232, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-09-30 | sec_edgar |
| capex | {"amount": 3913287, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-06-30 | sec_edgar |
| capex | {"amount": 1617139, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-03-31 | sec_edgar |
| capex | {"amount": 9123291, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-12-31 | sec_edgar |
| capex | {"amount": 6773377, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-09-30 | sec_edgar |
| capex | {"amount": 5541920, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-06-30 | sec_edgar |
| capex | {"amount": 2751403, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-03-31 | sec_edgar |
| capex | {"amount": 12284557, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-12-31 | sec_edgar |
| capex | {"amount": 10299251, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-09-30 | sec_edgar |
| capex | {"amount": 8972043, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-06-30 | sec_edgar |
| capex | {"amount": 6362696, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-03-31 | sec_edgar |
| capex | {"amount": 8965938, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-12-31 | sec_edgar |
| capex | {"amount": 7688944, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-09-30 | sec_edgar |
| capex | {"amount": 4306223, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-06-30 | sec_edgar |
| capex | {"amount": 2811873, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-03-31 | sec_edgar |
| capex | {"amount": 5033936, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-12-31 | sec_edgar |
| capex | {"amount": 4282712, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-09-30 | sec_edgar |
| capex | {"amount": 3807341, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-06-30 | sec_edgar |
| capex | {"amount": 2793604, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-03-31 | sec_edgar |
| capex | {"amount": 2461066, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-12-31 | sec_edgar |
| capex | {"amount": 2202363, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-09-30 | sec_edgar |
| capex | {"amount": 1822777, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 20593879, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 27721070, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 26975770, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 23272156, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20619343, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 15473938, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 15037639, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11376373, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13554099, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9870523, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 16566711, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18529757, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20431327, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 22376249, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 14228271, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20599648, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16815987, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 15007342, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6951177, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11374238, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7645491, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7279986, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5648264, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9822179, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9090280, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 11420841, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7955879, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20214569, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9332522, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 11106063, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2195696, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7845943, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8875581, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4184791, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1886171, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3319824, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3319824, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3521997, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3657417, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4174518, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1934114, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2598224, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3534993, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 20593879, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 27721070, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 26975770, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 23272156, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2019-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 20619343, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2019-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 15499918, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2019-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 15063619, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2019-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 11402353, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 13580079, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 9972550, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2018-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 16668738, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 18631784, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 20533338, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 22549324, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 14401329, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 20772689, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2016-12-31 | sec_edgar |
| cashflow_financing | {"amount": 8087500, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2020-09-30 | sec_edgar |
| cashflow_financing | {"amount": 10318750, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2020-06-30 | sec_edgar |
| cashflow_financing | {"amount": 12550000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2020-03-31 | sec_edgar |
| cashflow_financing | {"amount": 2790601, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-12-31 | sec_edgar |
| cashflow_financing | {"amount": 4601233, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-09-30 | sec_edgar |
| cashflow_financing | {"amount": 6636735, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-06-30 | sec_edgar |
| cashflow_financing | {"amount": 13458988, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2019-03-31 | sec_edgar |
| cashflow_financing | {"amount": 4528655, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2018-12-31 | sec_edgar |
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