Investment Securities - Unrealized Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value
Less than 12 months	$ 16,247	$ 17,428
12 months or more	151,694	155,243
Total Fair Value	167,941	172,671
Unrealized Losses
Less than 12 months	(284)	(206)
12 months or more	(29,794)	(27,081)
Total Unrealized Losses	(30,078)	(27,287)
U.S. Treasury
Fair Value
Less than 12 months		997
12 months or more		0
Total Fair Value		997
Unrealized Losses
Less than 12 months		0
12 months or more		0
Total Unrealized Losses		0
U.S. government and federal agency obligations
Fair Value
Less than 12 months	0	0
12 months or more	392	427
Total Fair Value	392	427
Unrealized Losses
Less than 12 months	0	0
12 months or more	(18)	(19)
Total Unrealized Losses	(18)	(19)
U.S. government-sponsored enterprises
Fair Value
Less than 12 months	10,994	11,995
12 months or more	1,753	1,772
Total Fair Value	12,747	13,767
Unrealized Losses
Less than 12 months	(41)	(8)
12 months or more	(247)	(228)
Total Unrealized Losses	(288)	(236)
Obligations of states and political subdivisions
Fair Value
Less than 12 months	1,407	1,501
12 months or more	101,298	103,283
Total Fair Value	102,705	104,784
Unrealized Losses
Less than 12 months	(177)	(158)
12 months or more	(21,658)	(19,408)
Total Unrealized Losses	(21,835)	(19,566)
Mortgage-backed securities
Fair Value
Less than 12 months	3,846	2,935
12 months or more	38,373	39,793
Total Fair Value	42,219	42,728
Unrealized Losses
Less than 12 months	(66)	(40)
12 months or more	(6,438)	(6,083)
Total Unrealized Losses	(6,504)	(6,123)
Other debt securities
Fair Value
Less than 12 months	0	0
12 months or more	8,673	8,799
Total Fair Value	8,673	8,799
Unrealized Losses
Less than 12 months	0	0
12 months or more	(1,152)	(1,026)
Total Unrealized Losses	(1,152)	(1,026)
Bank issued trust preferred securities
Fair Value
Less than 12 months	0	0
12 months or more	1,205	1,169
Total Fair Value	1,205	1,169
Unrealized Losses
Less than 12 months	0	0
12 months or more	(281)	(317)
Total Unrealized Losses	$ (281)	$ (317)