XML 33 R19.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Accounting Policies [Line Items]        
Dividends payable $ 0   $ 0  
Provision for federal income taxes     $ 0  
Minimum days required to stay for tax liability     183 days  
Sponsor [Member] | Professional Fees Liability [Member]        
Accounting Policies [Line Items]        
Legal fees and expenses assumed     $ 100,000  
Excess amount of assumed audit fees and legal expenses $ 100,000 $ 100,000 $ 100,000 $ 100,000