Annual report pursuant to Section 13 and 15(d)

Selected Balance Sheet Data - Schedule of Advances and Loans, Net (Detail)

v3.22.0.1
Selected Balance Sheet Data - Schedule of Advances and Loans, Net (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Advances And Loans and Commissions Receivable Allowance For Credit Losses [Line Items]    
Beginning balance $ 563 $ 512
Credit loss expense (recovery) 255 126
Write-offs (29) (75)
Ending balance 789 563
Beginning balance 94  
Credit loss expense (recovery) (89) 62
Write-offs 0 0
Ending balance 5 94
Beginning balance 657  
Credit loss expense (recovery) 166 188
Write-offs (29) (75)
Ending balance $ 794 657
Accounting Standards Update 2016-13 [Member]    
Advances And Loans and Commissions Receivable Allowance For Credit Losses [Line Items]    
Beginning balance   32
Beginning balance   $ 544