Subsequent events - Additional Information (Details) - USD ($)
12 Months Ended
Jan. 07, 2021
Oct. 05, 2020
Dec. 31, 2020
PIPE Investment [Member]      
SUBSEQUENT EVENTS      
Business combination, proceeds from private placement   $ 400,000 $ 400,000,000
IPO [Member]      
SUBSEQUENT EVENTS      
Business combination, deferred underwriter fees $ 29,000,000   29,000,000
SCH and Merger Sub [Member]      
SUBSEQUENT EVENTS      
Business combination, net increase in cash     670,000,000
Business combination, transaction costs     $ 61,800,000