Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Fair Value, Contingent Liability (Details)

v3.21.1
Basis of Presentation and Summary of Significant Accounting Policies - Fair Value, Contingent Liability (Details) - USD ($)
$ in Thousands, shares in Millions
 3 Months Ended
Dec. 31, 2020
Dec. 21, 2020
Mar. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Recognition of contingent earnout share liability   $ 248,900  
Gain on fair value change in contingent earnout share liability     $ (83,560)
Change in fair value during the period $ 3,100   1,639
Conversion of private placement warrants to public warrants     (8,252)
Earn Out Shares [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, beginning fair value     133,500
Liabilities, ending fair value 133,500   49,900
Earn Out Shares [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, beginning fair value     133,503
Gain on fair value change in contingent earnout share liability     (83,560)
Liabilities, ending fair value 133,503   49,943
Warrant Liability [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, beginning fair value     6,613
Change in fair value during the period     1,639
Conversion of private placement warrants to public warrants     (8,252)
Liabilities, ending fair value 6,613    
Recurring | Earn Out Shares [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, beginning fair value     133,503
Liabilities, ending fair value 133,503   49,943
Recurring | Warrant Liability [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, beginning fair value     6,613
Liabilities, ending fair value 6,613    
Recurring | Money market funds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 702,422   641,925
Recurring | Level 1 | Money market funds      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 702,422   641,925
Recurring | Level 2 | Warrant Liability [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, beginning fair value     6,613
Liabilities, ending fair value 6,613    
Recurring | Level 3 | Earn Out Shares [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, beginning fair value     133,503
Liabilities, ending fair value $ 133,503   $ 49,943
Business Combination | Earn Out Shares [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Number of shares issued or issuable     15.0