Investment Securities - Securities Temporarily Impaired (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	$ 11,936	$ 23,512	$ 14,235
Unrealized Losses (Less than 12 months)	(348)	(292)	(108)
Fair Value (Estimated) (12 months or more)	228,917	234,055	245,549
Unrealized Losses (12 months or more)	(47,282)	(53,876)	(54,858)
Fair Value (Estimated)	240,853	257,567	259,784
Unrealized Losses	(47,630)	(54,168)	(54,966)
U.S. Treasury & Agency securities
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	0	0	0
Unrealized Losses (Less than 12 months)	0	0	0
Fair Value (Estimated) (12 months or more)	19,034	19,796	19,778
Unrealized Losses (12 months or more)	(5,510)	(6,246)	(6,260)
Fair Value (Estimated)	19,034	19,796	19,778
Unrealized Losses	(5,510)	(6,246)	(6,260)
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	5,994	18,544	8,451
Unrealized Losses (Less than 12 months)	(91)	(222)	(43)
Fair Value (Estimated) (12 months or more)	182,167	186,155	197,155
Unrealized Losses (12 months or more)	(34,613)	(40,804)	(41,758)
Fair Value (Estimated)	188,161	204,699	205,606
Unrealized Losses	(34,704)	(41,026)	(41,801)
State and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	4,791	4,968	4,484
Unrealized Losses (Less than 12 months)	(241)	(70)	(62)
Fair Value (Estimated) (12 months or more)	27,716	28,104	28,616
Unrealized Losses (12 months or more)	(7,159)	(6,826)	(6,840)
Fair Value (Estimated)	32,507	33,072	33,100
Unrealized Losses	(7,400)	$ (6,896)	(6,902)
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	1,151		1,300
Unrealized Losses (Less than 12 months)	(16)		(3)
Fair Value (Estimated) (12 months or more)	0		0
Unrealized Losses (12 months or more)	0		0
Fair Value (Estimated)	1,151		1,300
Unrealized Losses	$ (16)		$ (3)

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