General form of registration statement for all companies including face-amount certificate companies

Revenue and Receivables - Summary of Accounts Receivable, Allowance for Credit Loss (Detail)

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Revenue and Receivables - Summary of Accounts Receivable, Allowance for Credit Loss (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Allowance for Credit Loss [Abstract]    
Beginning balance $ (635) $ (116)
Provision for credit losses (407) (794)
Write-offs 97 275
Ending balance $ (945) $ (635)