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Leases - Narrative (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Jan. 21, 2021 | Dec. 31, 2020 | Sep. 30, 2020
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Leases [Abstract] |  |  |  |
Operating lease, borrowing rate |  | 15.93% |  |
Operating lease, discount rate | 7.25% |  |  |
Operating lease, weighted average remaining lease term | 1 year 4 months 24 days |  |  |
Finance lease, weighted average remaining lease term | 7 months 6 days |  |  |
Restricted cash held in other assets | $ 0 |  | $ 300 | $ 342

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- Definition Lessee, Operating Lease, Interest Rate, Effective Rate + References No definition available. + Details
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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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- Definition Discount rate used by lessee to determine present value of operating lease payments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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