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Commitments and Contingencies - Other Information Related to Leases (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |  |
Cash paid for amounts included in the measurement of operating lease liabilities | $ 1,117 | $ 1,399
Right-of-use assets obtained in exchange for new finance lease liabilities | $ 0 | $ 16
Weighted-average remaining lease term - finance leases (in years) | 1 year 8 months 12 days | 2 years 3 months 18 days
Weighted-average remaining lease term - operating leases (in years) | 11 years 6 months | 12 years 4 months 24 days
Weighted-average discount rate - finance leases | 7.28% | 7.28%
Weighted-average discount rate - operating leases | 10.26% | 10.07%

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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=121609121&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=121568110&loc=SL77918982-209971 + Details
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- Definition Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981 + Details
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