Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Summary of Change in Fair Value of The Warrant Liabilities (Detail)

v3.22.2.2
Fair Value Measurement - Summary of Change in Fair Value of The Warrant Liabilities (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Change in fair value of contingent earnout liability $ 22,142 $ 0 $ 22,142 $ 0
Level 3 [Member]        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance       197
Issuance of warrants to Silicon Valley Bank       1,806
Ending balance   $ 2,003   $ 2,003
Level 3 [Member] | Contingent Earnout Liability [Member]        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance     0  
Issuance of warrants to Silicon Valley Bank      
Conversion of Silicon Valley Bank warrants to common stock      
Exercise of series C preferred warrants      
Contingent interest embedded derivative recognized relating to the FP Term Loan agreement      
Contingent interest embedded derivative derecognized upon the execution of the FP Amendment      
Contingent earnout liability recognized upon the closing of the reverse recapitalization     58,275  
Change in fair value of contingent earnout liability     22,142  
Change in fair value included in other income (expense), net     0  
Transferred to Level 2 upon the closing of the reverse recapitalization      
Ending balance 80,417   80,417  
Level 3 [Member] | Contingent Interest Embedded Derivative [Member]        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance     0  
Issuance of warrants to Silicon Valley Bank      
Conversion of Silicon Valley Bank warrants to common stock      
Exercise of series C preferred warrants      
Contingent interest embedded derivative recognized relating to the FP Term Loan agreement     8,922  
Contingent interest embedded derivative derecognized upon the execution of the FP Amendment     (8,922)  
Contingent earnout liability recognized upon the closing of the reverse recapitalization      
Change in fair value of contingent earnout liability     0  
Change in fair value included in other income (expense), net      
Transferred to Level 2 upon the closing of the reverse recapitalization      
Ending balance 0   0  
Level 3 [Member] | Warrant Liability [Member]        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance     4,007  
Issuance of warrants to Silicon Valley Bank     308  
Conversion of Silicon Valley Bank warrants to common stock     (308)  
Exercise of series C preferred warrants     (891)  
Contingent interest embedded derivative recognized relating to the FP Term Loan agreement      
Contingent interest embedded derivative derecognized upon the execution of the FP Amendment      
Contingent earnout liability recognized upon the closing of the reverse recapitalization      
Change in fair value of contingent earnout liability     0  
Change in fair value included in other income (expense), net     19,466  
Transferred to Level 2 upon the closing of the reverse recapitalization     (22,582)  
Ending balance $ 0   $ 0