Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value On Recurring Basis (Details)

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Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value On Recurring Basis (Details) - Recurring Basis - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Assets:    
Total assets measured at fair value $ 326,515  
Liabilities:    
Liabilities of fair value 61,463 $ 1,001
Contingent Earn-Out Liability    
Liabilities:    
Liabilities of fair value 35,027  
Contingently Issuable Common Stock Liability    
Liabilities:    
Liabilities of fair value 5,952  
Warrants to purchase common stock    
Liabilities:    
Liabilities of fair value   1
Public Warrant Liability    
Liabilities:    
Liabilities of fair value 20,484  
Derivative Liability    
Liabilities:    
Liabilities of fair value   1,000
Money market funds    
Assets:    
Total assets measured at fair value 326,515  
Level 1    
Assets:    
Total assets measured at fair value 326,515  
Level 1 | Money market funds    
Assets:    
Total assets measured at fair value 326,515  
Level 3    
Liabilities:    
Liabilities of fair value 61,463 1,001
Level 3 | Contingent Earn-Out Liability    
Liabilities:    
Liabilities of fair value 35,027  
Level 3 | Contingently Issuable Common Stock Liability    
Liabilities:    
Liabilities of fair value 5,952  
Level 3 | Warrants to purchase common stock    
Liabilities:    
Liabilities of fair value   1
Level 3 | Public Warrant Liability    
Liabilities:    
Liabilities of fair value $ 20,484  
Level 3 | Derivative Liability    
Liabilities:    
Liabilities of fair value   $ 1,000