Commitments (Details) - Social Capital Member
2 Months Ended
Dec. 31, 2019
USD ($)
item
$ / shares
shares
Sep. 30, 2020
USD ($)
Subsidiary, Sale of Stock [Line Items]    
Maximum number of demands for registration of securities | item 3  
Deferred underwriting fee payable   $ 14,490,000
Underwriters deferred fee (in percent) 10.00%  
Over-Allotment Option    
Subsidiary, Sale of Stock [Line Items]    
Number of units to be issued | shares 5,400,000  
Cash underwriting discount $ 7,200,000  
Deferred fee per unit | $ / shares $ 0.35  
Over-Allotment Option | Less than one year    
Subsidiary, Sale of Stock [Line Items]    
Deferred underwriting fee payable $ 12,600,000  
Over-Allotment Option | More than one year    
Subsidiary, Sale of Stock [Line Items]    
Deferred underwriting fee payable $ 14,490,000