Quarterly report pursuant to Section 13 or 15(d)

Fair value measurements - Summary of Warrants (Detail)

v3.21.2
Fair value measurements - Summary of Warrants (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Class of Warrant or Right [Line Items]            
Change in fair value of warrant liability $ 899,000   $ 9,014,125   $ 11,620,500 $ 3,620,625
Private Placement            
Class of Warrant or Right [Line Items]            
Beginning Balance 19,730,250 $ 12,487,500 5,661,000 $ 7,575,750 12,487,500 7,575,750
Change in fair value of warrant liability 582,750 7,242,750 3,163,050 (1,914,750)    
Ending Balance 20,313,000 19,730,250 8,824,500 5,661,000 20,313,000 8,824,500
Public Warrants            
Class of Warrant or Right [Line Items]            
Beginning Balance 26,723,125 23,244,375 10,752,500 14,231,250 23,244,375 14,231,250
Change in fair value of warrant liability 316,250 3,478,750 (5,850,625) (3,478,750)    
Ending Balance 27,039,375 26,723,125 16,603,125 10,752,500 27,039,375 16,603,125
Warrant            
Class of Warrant or Right [Line Items]            
Beginning Balance 46,453,375 35,731,875 16,413,500 21,807,000 35,731,875 21,807,000
Change in fair value of warrant liability 899,000 10,721,500 (5,393,500) (3,620,625)    
Ending Balance $ 47,352,375 $ 46,453,375 $ 25,427,625 $ 16,413,500 $ 47,352,375 $ 25,427,625