XML 61 R49.htm IDEA: XBRL DOCUMENT v3.21.1
Commitments and Contingencies - Additional Information (Detail)
$ in Millions
Mar. 31, 2020
class_action
Mar. 31, 2021
USD ($)
Commitments and Contingencies Disclosure [Abstract]    
Accrual for the probable payment of pending claims | $   $ 71.0
Number of putative class actions | class_action 3