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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