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Commitments and Contingencies - Additional Information (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2020 USD ($) Lease | Dec. 31, 2019 USD ($)
Commitments And Contingencies Disclosure [Abstract] |  |  |
Number of operating leases outstanding | Lease |  | 1 |
Operating lease beginning period |  | 2017-10 |
Operating lease expiration period |  | 2020-10 |
Lessee, operating lease, discount rate |  | 8.00% |
Operating lease, option to extend |  | true |
Available operating lease extension period |  | 20 months 15 days |
Operating lease, option to extend | the lessor extended the lease for an additional 20.5 month term commencing November 1, 2020. The Company does not have an option to extend the lease term beyond the current extension | option to extend the lease for an additional 20.5 month period |
Operating lease extended term | 20 months 15 days |  |
Extended lease term starting date | Nov. 01, 2020 |  |
Fair value of right of use asset |  | $ 352,000,000 |
Fair value of operating lease liabilities |  | $ 352,000,000 |
Operating lease, discount rate |  | 8.00% |
Rent expenses |  | $ 212,000 | $ 212,000

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- Definition Fair value of operating lease liabilities. + References No definition available. + Details
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- Definition Number of operating leases outstanding. + References No definition available. + 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=121609121&loc=SL77918673-209980 + Details
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- Definition Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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