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Loans, Allowance for Credit Losses, and Asset Quality Information - Unfunded Loan Commitments (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance $ 82,181 $ 65,022 $ 78,789 $ 52,388 $ 52,388
Charge-offs (1,205) (1,105) (4,008) (5,553) (7,602)
Recoveries 511 1,111 3,206 3,618 4,922
Reversal of provision for unfunded commitments 5,100 (1,400) 8,600 (1,400) 9,611
Ending balance 86,587 $ 63,628 86,587 $ 63,628 78,789
Unfunded Loan Commitment          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance     13,506    
Charge-offs     0    
Recoveries     0    
Reversal of provision for unfunded commitments     (1,200)    
Ending balance $ 12,306   $ 12,306   $ 13,506