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Loans, Allowance for Credit Losses, and Asset Quality Information - Unfunded Loan Commitments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning balance $ 90,967 $ 78,789 $ 52,388
Charge-offs (10,175) (4,465) (7,602)
Recoveries 3,701 4,043 4,922
Reversal of provision for unfunded commitments 19,750 12,600 9,611
Ending balance 109,853 90,967 78,789
Cumulative Effect, Period of Adoption, Adjustment      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning balance     14,575
Unfunded Loan Commitment      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning balance 13,306 13,506  
Initial provision for credit losses on unfunded commitments acquired from GrandSouth 1,921 0  
Charge-offs 0 0  
Recoveries 0 0  
Reversal of provision for unfunded commitments (3,858) (200)  
Ending balance $ 11,369 $ 13,306 $ 13,506