Quarterly report pursuant to Section 13 or 15(d)

Off-Balance Sheet Commitments - Allowance for Loan Losses and Allowance for Off Balance Sheet Items (Detail)

v3.20.2
Off-Balance Sheet Commitments - Allowance for Loan Losses and Allowance for Off Balance Sheet Items (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Loss Contingencies [Line Items]          
Balance at beginning of period $ 6,347 $ 1,333 $ 2,397 $ 1,439  
Adjusted balance 6,347 1,333 2,062 1,439  
Provision expense (income) for credit losses (658) 209 3,627 103  
Balance at end of period $ 5,689 $ 1,542 $ 5,689 $ 1,542  
ASU 2016-13          
Loss Contingencies [Line Items]          
Adjustment related to adoption of ASU 2016-13         $ (335)