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Investment Securities Available-for-Sale by Security Type (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Investment Securities, Available-for-sale [Line Items]    
Investment securities available for sale, amortized cost $ 561,715 $ 673,370
Investment securities available for sale, gross unrealized gains 2 33
Investment securities available for sale, gross unrealized losses (93,270) (128,838)
Securities available for sale, at fair value 468,447 544,565
State and political subdivisions [Member]    
Investment Securities, Available-for-sale [Line Items]    
Investment securities available for sale, amortized cost 198,083 215,942
Investment securities available for sale, gross unrealized gains 1 0
Investment securities available for sale, gross unrealized losses (34,820) (41,797)
Securities available for sale, at fair value 163,264 174,145
Collateralized mortgage obligations [Member]    
Investment Securities, Available-for-sale [Line Items]    
Investment securities available for sale, amortized cost 234,217 278,754
Investment securities available for sale, gross unrealized gains 0 0
Investment securities available for sale, gross unrealized losses (40,534) (59,490)
Securities available for sale, at fair value 193,683 219,264
Mortgage-backed securities [Member]    
Investment Securities, Available-for-sale [Line Items]    
Investment securities available for sale, amortized cost 113,358 145,992
Investment securities available for sale, gross unrealized gains 0 0
Investment securities available for sale, gross unrealized losses (17,216) (26,173)
Securities available for sale, at fair value 96,142 119,819
Collateralized Loan Obligations [Member]    
Investment Securities, Available-for-sale [Line Items]    
Investment securities available for sale, amortized cost 2,307 18,932
Investment securities available for sale, gross unrealized gains 1 33
Investment securities available for sale, gross unrealized losses (1) 0
Securities available for sale, at fair value 2,307 18,965
Corporate notes [Member]    
Investment Securities, Available-for-sale [Line Items]    
Investment securities available for sale, amortized cost 13,750 13,750
Investment securities available for sale, gross unrealized gains 0 0
Investment securities available for sale, gross unrealized losses (699) (1,378)
Securities available for sale, at fair value $ 13,051 $ 12,372