Quarterly report pursuant to Section 13 or 15(d)

Off-Balance Sheet Commitments - Allowance for Credit Losses Related to Off-Balance Sheet Items (Detail)

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Off-Balance Sheet Commitments - Allowance for Credit Losses Related to Off-Balance Sheet Items (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Risks And Uncertainties [Abstract]        
Balance at beginning of period $ 2,358 $ 2,342 $ 2,586 $ 2,792
Provision expense (recovery) for credit losses (45) 1,301 (273) 851
Balance at end of period $ 2,313 $ 3,643 $ 2,313 $ 3,643