Annual report pursuant to Section 13 and 15(d)

Estimate of Claims Losses - Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense (Detail)

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Estimate of Claims Losses - Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense (Detail) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]      
Beginning balance $ 6,334 $ 6,334 $ 4,487
Incurred related to:      
Current year   6,203 3,238
Prior years   43 (931)
Total incurred 6,246   2,307
Paid related to:      
Current year   307 55
Prior years, net of reinsurance and other receivables of $99 as of December 31, 2021 and 2020   91 405
Total paid 398   460
Ending Balance $ 12,182 $ 12,182 $ 6,334