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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Accounting Policies [Abstract]          
Offering cost charged to the shareholders' equity   $ 5,160 $ 15,700,900    
Ordinary shares subject to possible redemption 26,427,281     26,427,281  
Gain on sale of marketable securities $ 7,004     $ 1,838,872  
Unrecognized tax benefits 0     0 $ 0
Accrued interest and penalties related to unrecognized tax benefits 0     0 $ 0
Federal depository insurance coverage $ 250,000     $ 250,000