XML 31 R22.htm IDEA: XBRL DOCUMENT v3.20.4
Summary of Significant Accounting Policies - Additional Information (Detail)
7 Months Ended
Dec. 31, 2020
shares
Class A Ordinary Shares [Member]  
Accounting Policies [Line Items]  
Antidilutive securities excluded from computation of earnings per share, amount 16,000,000