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Net Loss Per Share of Class A Common Stock - Potentially Dilutive Shares (Details) - shares shares in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Restricted class A common stock |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 207 | 709
Restricted stock units |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 7,106 | 8,899
Common Stock warrants |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 1,770 | 11,216
Public Warrants (exercisable for class A common stock) treated as liability |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 15,813 | 0
Private Placement Warrants (exercisable for class A common stock) treated as liability |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 8,325 | 0
Sponsor earn-out shares |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 2,372 | 0
Stock options |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 4,607 | 2,945
2021 Convertible Bridge Notes as converted into common stock |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 0 | 7,429
Class A common stock warrants (exercisable for common stock) treated as liability |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 0 | 3,875
Common stock issuable for consent fees treated as a liability |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 0 | 311
Series B preferred stock warrants |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 0 | 96
Series C preferred stock warrants |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive securities excluded from computation of earnings per share | 0 | 18

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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