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Loans - Narrative (Details)
12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Remaining availability under commitments to lend additional funds on restructured loans $ 1,135,000 $ 3,115,000  
Allowance for credit losses on interest deferred 201,756,000 198,578,000 $ 192,090,000
Unfunded commitment $ 1,168,000 5,461,000  
Cumulative Effect, Period of Adoption, Adjustment      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Allowance for credit losses on interest deferred   0 25,000
Minimum | Internal Investment Grade      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 10    
Minimum | Pass      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 10    
Minimum | Special Mention      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 70    
Minimum | Substandard      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 80    
Maximum | Internal Investment Grade      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 95    
Maximum | Pass      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 69    
Maximum | Special Mention      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 79    
Maximum | Substandard      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, credit quality risk rating grade 95    
Commercial      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Allowance for credit losses on interest deferred $ 38,527,000 43,980,000 44,255,000
Commercial | Cumulative Effect, Period of Adoption, Adjustment      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Allowance for credit losses on interest deferred $ 34,000 0 25,000
Commercial | Minimum      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, modified, weighted average term increase from modification 30 days    
Commercial | Maximum      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Financing receivable, modified, weighted average term increase from modification 89 days    
Real Estate - 1-4 Family Mortgage      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Allowance for credit losses on interest deferred $ 47,761,000 47,283,000 44,727,000
Real Estate - 1-4 Family Mortgage | Cumulative Effect, Period of Adoption, Adjustment      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Allowance for credit losses on interest deferred   0 0
Real Estate - Commercial Mortgage      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Allowance for credit losses on interest deferred $ 90,204,000 77,020,000 71,798,000
Real Estate - Commercial Mortgage | Cumulative Effect, Period of Adoption, Adjustment      
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]      
Allowance for credit losses on interest deferred   $ 0 $ 0