Commitments and Contingencies - Lease expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Commitments and Contingencies | ||||
| Operating lease cost | $ 816 | $ 798 | $ 2,436 | $ 2,397 |
| Shared lease costs | (469) | (479) | (1,409) | (1,408) |
| Variable lease cost | 160 | 575 | ||
| Variable lease cost | 178 | 411 | ||
| Total lease expense | $ 525 | $ 479 | 1,438 | 1,564 |
| Operating cash flows from operating leases | $ (2,127) | $ (2,185) | ||
| Weighted-average remaining lease term - operating leases (years) | 5 years 10 months 24 days | 6 years 4 months 24 days | 5 years 10 months 24 days | 6 years 4 months 24 days |
| Weighted-average discount rate - operating leases | 6.20% | 6.20% | 6.20% | 6.20% |
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- Definition Amount of variable lease income (expense), excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. No definition available.
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- References No definition available.
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- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of sublease income excluding finance and operating lease expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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