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Commitments and Contingencies (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Supply Commitment [Line Items]    
Loss contingencies for all legal claims $ 484,000 $ 664,000
Loss contingencies for all legal claims 484,000 664,000
Unfunded commitments to extend credit    
Supply Commitment [Line Items]    
Commitments and letters of credit 2,200,436,000 2,255,785,000
Standby letters of credit    
Supply Commitment [Line Items]    
Commitments and letters of credit 154,067,000 134,548,000
Other letters of credit    
Supply Commitment [Line Items]    
Commitments and letters of credit 18,848,000 22,874,000
Commitments to fund CRA and tax credit investments    
Supply Commitment [Line Items]    
Commitments and letters of credit $ 36,266,000 $ 18,845,000