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Held to Maturity Debt Securities - Investment Securities Held to Maturity (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]    
Allowance for credit losses $ 16 $ 14
Schedule of Held-to-maturity Securities [Line Items]    
Amortized cost 282,143 327,637
Gross unrealized gains 156 689
Gross unrealized losses (7,081) (14,593)
Fair value 275,218 313,733
Government-agency obligations    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized cost 3,400 9,999
Gross unrealized gains 0 0
Gross unrealized losses (22) (292)
Fair value 3,378 9,707
State and municipal obligations    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized cost 276,600 311,118
Gross unrealized gains 156 689
Gross unrealized losses (7,045) (14,133)
Fair value 269,711 297,674
Corporate obligations    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized cost 2,143 6,520
Gross unrealized gains 0 0
Gross unrealized losses (14) (168)
Fair value $ 2,129 $ 6,352