Quarterly report pursuant to Section 13 or 15(d)

Receivables and Current Assets - Additional Information (Detail)

v3.21.2
Receivables and Current Assets - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Receivables And Current Assets [Abstract]    
Commissions and fees receivable – net $ 171,862 $ 177,699