Registration statement for securities of certain foreign private issuers

Leases - Additional Information (Detail)

v3.21.2
Leases - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Disclosure of Leases [Line Items]    
weighted-average rate   12.50%
London [member] | Buildings [member] | New lease agreement [member]    
Disclosure of Leases [Line Items]    
Initial term of lease 39 months  
Lease annual rent expense $ 4.9