Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Detail)

v3.21.1
Summary of Significant Accounting Policies (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Jun. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Apr. 08, 2019
Apr. 05, 2019
Initial Public Offering                      
Cash equivalents   $ 0     $ 0   $ 0        
Offering costs       $ 15,100,000              
Underwriter discounts         14,400,000            
Total underwriters commission                     $ 9,190,000
Other offering costs         $ 638,000            
Shares subject to possible redemption   28,750,000     28,750,000       28,750,000    
Basic and diluted weighted average shares outstanding of Public Shares   28,750,000 28,750,000   28,750,000 28,750,000          
Basic and diluted weighted average shares outstanding of Founder Shares   7,187,500 7,187,500   7,187,500 7,187,500          
Remeasuresment of shares subject to possible redemption $ 26,800,000     $ 26,789,590   $ 30,100,000          
Unrecognized tax benefits   $ 0     $ 0       $ 0    
Accrual for interest and penalties   $ 0     $ 0       $ 0    
IPO                      
Initial Public Offering                      
Share price (in dollars per share)               $ 10.00   $ 10.00  
Public Shares                      
Initial Public Offering                      
Income(loss) allocation ratio   80.00% 80.00%   80.00% 80.00%          
Income allocable to all shares   $ 2,200,000 $ 1,100,000   $ 3,600,000 $ 25,000,000          
Founder Shares                      
Initial Public Offering                      
Income(loss) allocation ratio   20.00% 20.00%   20.00% 20.00%          
Income allocable to all shares   $ 2,200,000 $ 1,100,000   $ 3,600,000 $ 25,000,000          
Ordinary Shares                      
Initial Public Offering                      
Share price (in dollars per share)               $ 10.00   $ 10.00  
Accounting Standards Update 2017-11                      
Initial Public Offering                      
Shares subject to possible redemption   28,750,000     28,750,000       28,750,000