Available for Sale Securities - Amortized Cost and Fair Value of Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Available-for-sale securities:
Amortized cost	$ 468,890	$ 462,519
Gross unrealized gains	1,861	2,815
Gross unrealized losses	(22,465)	(20,593)
Allowance for credit losses	0	0
Fair value	448,286	444,741
U.S. Agency Securities [Member]
Available-for-sale securities:
Amortized cost	52,647	52,651
Gross unrealized gains	11	12
Gross unrealized losses	(3,109)	(2,908)
Allowance for credit losses	0	0
Fair value	49,549	49,755
U.S. Treasury Securities [Member]
Available-for-sale securities:
Amortized cost	77,625	84,551
Gross unrealized gains	103	225
Gross unrealized losses	(2,092)	(2,122)
Allowance for credit losses	0	0
Fair value	75,636	82,654
Obligations of State and Political Subdivisions [Member]
Available-for-sale securities:
Amortized cost	130,743	120,608
Gross unrealized gains	558	1,070
Gross unrealized losses	(7,017)	(5,792)
Allowance for credit losses	0	0
Fair value	124,284	115,886
Corporate Obligations [Member]
Available-for-sale securities:
Amortized cost	8,829	11,304
Gross unrealized gains	449	405
Gross unrealized losses	(238)	(412)
Allowance for credit losses	0	0
Fair value	9,040	11,297
Mortgage-backed Securities in Government Sponsored Entities [Member]
Available-for-sale securities:
Amortized cost	199,046	193,405
Gross unrealized gains	740	1,103
Gross unrealized losses	(10,009)	(9,359)
Allowance for credit losses	0	0
Fair value	$ 189,777	$ 185,149