Registration of securities issued in business combination transactions

Subsequent Events (Detail)

v3.20.4
Subsequent Events (Detail) - $ / shares
Oct. 12, 2020
Sep. 30, 2020
Dec. 31, 2019
Apr. 08, 2019
Dec. 31, 2018
Subsequent Event [Line Items]          
Common stock, par value   $ 0.0001 $ 0.0001 $ 0.0001 $ 0.0001
New Pubco | Class A common stock | Subsequent events          
Subsequent Event [Line Items]          
Right to receive number of shares of new entity 1        
Common stock, par value $ 0.0001        
Shares exchangeable 1        
New Pubco | Class B common stock | Subsequent events          
Subsequent Event [Line Items]          
Common stock, par value $ 0.0001        
Minimum number of shares which are entitled to vote 1        
Shares exchangeable 1