Investment Securities - Securities Temporarily Impaired (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	$ 20,983	$ 1,732	$ 15,009
Unrealized Losses (Less than 12 months)	(296)	(4)	(283)
Fair Value (Estimated) (12 months or more)	212,327	226,933	232,643
Unrealized Losses (12 months or more)	(41,432)	(40,115)	(49,100)
Fair Value (Estimated)	233,310	228,665	247,652
Unrealized Losses	(41,728)	(40,119)	(49,383)
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)	17,958	18,072	18,950
Unrealized Losses (12 months or more)	(5,087)	(4,973)	(5,593)
Fair Value (Estimated)	17,958	18,072	18,950
Unrealized Losses	(5,087)	(4,973)	(5,593)
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	13,303	1,732	8,974
Unrealized Losses (Less than 12 months)	(96)	(4)	(105)
Fair Value (Estimated) (12 months or more)	171,539	177,093	185,973
Unrealized Losses (12 months or more)	(30,684)	(30,138)	(36,311)
Fair Value (Estimated)	184,842	178,825	194,947
Unrealized Losses	(30,780)	(30,142)	(36,416)
State and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	7,680	0	4,862
Unrealized Losses (Less than 12 months)	(200)	0	(172)
Fair Value (Estimated) (12 months or more)	22,830	30,672	27,720
Unrealized Losses (12 months or more)	(5,661)	(4,989)	(7,196)
Fair Value (Estimated)	30,510	30,672	32,582
Unrealized Losses	(5,861)	(4,989)	(7,368)
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value (Estimated) (Less than 12 months)	0	0	1,173
Unrealized Losses (Less than 12 months)	0	0	(6)
Fair Value (Estimated) (12 months or more)	0	1,096	0
Unrealized Losses (12 months or more)	0	(15)	0
Fair Value (Estimated)	0	1,096	1,173
Unrealized Losses	$ 0	$ (15)	$ (6)

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