Annual report pursuant to Section 13 and 15(d)

Estimate of Claims Losses - Summary of Outstanding Estimate of Claim Losses (Detail)

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Estimate of Claims Losses - Summary of Outstanding Estimate of Claim Losses (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Schedule Of Insurance Loss Contingencies By Contingency [Abstract]    
Beginning balance $ 8,609 $ 5,762
Provision charged to income from operations 7,043 3,520
Claim losses payments (659) (673)
Ending balance $ 14,993 $ 8,609