v3.22.2.2
Reinsurance - Prepaid Reinsurance Premiums (Payable) and Reinsurance Recoverable and Receivable (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Reinsurance Disclosures [Abstract]            
Prepaid reinsurance premiums $ 452,230   $ 240,993      
Reinsurance recoverable on paid losses and LAE 6,042   69,729      
Reinsurance recoverable on unpaid losses and LAE 929,768 $ 18,972 115,860 $ 82,720 $ 113,157 $ 119,522
Reinsurance recoverable $ 935,810   $ 185,589