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Commitments and Contingencies - Litigation (Details) $ in Thousands |  | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 26, 2020 USD ($) | Oct. 31, 2014 participant | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
IPO litigation expense |  |  |  | $ 1,165 | $ 0 | $ 0
New York State Supreme Court, New York County |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of plaintiffs opting out of settlement (participant) | participant |  | 12 |  |  |  |
Amount awarded to claimants | $ 1,200 |  |  |  |  |
Interest period (in years) | 7 years |  |  |  |  |
IPO litigation expense |  |  | $ 1,200 |  |  |

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- Definition Loss Contingency, Number of Plaintiffs Opting Out of Settlement + References No definition available. + Details
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- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
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- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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