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Revenue - Narrative (Details) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 02, 2020 shares | Mar. 31, 2020 USD ($) tranche $ / shares shares
Class of Warrant or Right [Line Items] |  |  |  |  |
Fair value of warrants outstanding | $ 31,230 | $ 343,400 |  |  |
Change in fair value of warrant liabilities | (26,126) | (268,266) | $ (256) |  |
Contract assets | 9,907 | 0 | $ 0 |  |
Contract liabilities | 898 | $ 2,284 |  |  |
VCTF warrant |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |
Number of tranches | tranche |  |  |  |  | 2
Fair value of warrants outstanding |  |  |  |  | $ 2,900
Change in fair value of warrant liabilities | $ 1,000 |  |  |  |
Class A Common Stock |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |
Conversion of warrants into securities (in shares) | shares |  |  |  | 4,089,280 |
Class A Common Stock | VCTF warrant |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |
Conversion of warrants into securities (in shares) | shares |  |  |  |  | 4,089,280
Stock price of warrants (in dollars per share) | $ / shares |  |  |  |  | $ 3.1769

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