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Commitments and Contingencies - Summary of Lease Costs and Additional Information Related to Operating Leases (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2020 USD ($)
Commitments And Contingencies Disclosure [Abstract] |  |
Operating lease cost | $ 1,151 | $ 3,432
Short-term lease cost | 118 | 435
Variable lease cost | 460 | 1,700
Total least cost | $ 1,729 | $ 5,567
Other Information |  |
Weighted average remaining lease term (in years) | 4 years 3 months 18 days | 4 years 3 months 18 days
Weighted average incremental borrowing rate | 7.70% | 7.70%

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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. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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