Investment Securities - Unrealized losses (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Available-for-Sale Securities
Less than 12 Months, Fair Value	$ 5,328	$ 2,212
12 Months or More, Fair Value	444,328	461,381
Total Fair Value	449,656	463,593
Less than 12 Months, Unrealized Losses	(89)	(156)
12 Months or More, Unrealized Losses	(39,792)	(59,102)
Total Unrealized Losses	(39,881)	(59,258)
Held-to-Maturity Securities
Less than 12 Months, Fair Value	0	110
Less than 12 Months, Unrealized Losses	0	(2)
12 Months or More, Fair Value	258,186	271,979
12 Months or More, Unrealized Losses	(20,022)	(27,999)
Total Fair Value	258,186	272,089
Total Unrealized Losses	(20,022)	(28,001)
U.S. Treasury securities
Available-for-Sale Securities
Less than 12 Months, Fair Value	0	0
12 Months or More, Fair Value	9,509	9,058
Total Fair Value	9,509	9,058
Less than 12 Months, Unrealized Losses	0	0
12 Months or More, Unrealized Losses	(487)	(936)
Total Unrealized Losses	(487)	(936)
U.S. Government agencies
Available-for-Sale Securities
Less than 12 Months, Fair Value	0	0
12 Months or More, Fair Value	63	65
Total Fair Value	63	65
Less than 12 Months, Unrealized Losses	0	0
12 Months or More, Unrealized Losses	(3)	(5)
Total Unrealized Losses	(3)	(5)
Obligations of states and political subdivisions
Available-for-Sale Securities
Less than 12 Months, Fair Value	1,257	1,853
12 Months or More, Fair Value	162,730	162,787
Total Fair Value	163,987	164,640
Less than 12 Months, Unrealized Losses	(68)	(152)
12 Months or More, Unrealized Losses	(14,371)	(18,974)
Total Unrealized Losses	(14,439)	(19,126)
Held-to-Maturity Securities
Less than 12 Months, Fair Value	0	110
Less than 12 Months, Unrealized Losses	0	(2)
12 Months or More, Fair Value	174,224	172,229
12 Months or More, Unrealized Losses	(13,595)	(17,390)
Total Fair Value	174,224	172,339
Total Unrealized Losses	(13,595)	(17,392)
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations
Available-for-Sale Securities
Less than 12 Months, Fair Value	4,071	359
12 Months or More, Fair Value	50,458	63,401
Total Fair Value	54,529	63,760
Less than 12 Months, Unrealized Losses	(21)	(4)
12 Months or More, Unrealized Losses	(2,964)	(4,434)
Total Unrealized Losses	(2,985)	(4,438)
Held-to-Maturity Securities
Less than 12 Months, Fair Value	0	0
Less than 12 Months, Unrealized Losses	0	0
12 Months or More, Fair Value	9,811	8,995
12 Months or More, Unrealized Losses	(1,632)	(2,100)
Total Fair Value	9,811	8,995
Total Unrealized Losses	(1,632)	(2,100)
Private label residential mortgage and asset backed securities
Available-for-Sale Securities
Less than 12 Months, Fair Value	0	0
12 Months or More, Fair Value	221,568	226,070
Total Fair Value	221,568	226,070
Less than 12 Months, Unrealized Losses	0	0
12 Months or More, Unrealized Losses	(21,967)	(34,753)
Total Unrealized Losses	(21,967)	(34,753)
Held-to-Maturity Securities
Less than 12 Months, Fair Value	0	0
Less than 12 Months, Unrealized Losses	0	0
12 Months or More, Fair Value	48,115	47,433
12 Months or More, Unrealized Losses	(3,282)	(5,633)
Total Fair Value	48,115	47,433
Total Unrealized Losses	(3,282)	(5,633)
Corporate debt securities
Held-to-Maturity Securities
Less than 12 Months, Fair Value	0	0
Less than 12 Months, Unrealized Losses	0	0
12 Months or More, Fair Value	26,036	43,322
12 Months or More, Unrealized Losses	(1,513)	(2,876)
Total Fair Value	26,036	43,322
Total Unrealized Losses	$ (1,513)	$ (2,876)

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