Investments, Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Investment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Debt Securities [Abstract]
Amortized cost	$ 459,387	$ 459,537
Gross unrealized gains	940	545
Gross unrealized losses	(29,626)	(34,170)
Allowance for credit losses	0	0
Fair value	430,701	425,912
U.S. Agency Securities [Member]
Debt Securities [Abstract]
Amortized cost	58,612	58,594
Gross unrealized gains	7	6
Gross unrealized losses	(4,252)	(5,113)
Allowance for credit losses	0	0
Fair value	54,367	53,487
U.S. Treasury Securities [Member]
Debt Securities [Abstract]
Amortized cost	116,813	126,220
Gross unrealized gains	127	6
Gross unrealized losses	(4,525)	(5,724)
Allowance for credit losses	0	0
Fair value	112,415	120,502
Obligations of State and Political Subdivisions [Member]
Debt Securities [Abstract]
Amortized cost	102,792	103,137
Gross unrealized gains	6	4
Gross unrealized losses	(8,459)	(8,239)
Allowance for credit losses	0	0
Fair value	94,339	94,902
Corporate Obligations [Member]
Debt Securities [Abstract]
Amortized cost	11,230	11,206
Gross unrealized gains	276	297
Gross unrealized losses	(734)	(1,065)
Allowance for credit losses	0	0
Fair value	10,772	10,438
Mortgage-backed Securities in Government Sponsored Entities [Member]
Debt Securities [Abstract]
Amortized cost	169,940	160,380
Gross unrealized gains	524	232
Gross unrealized losses	(11,656)	(14,029)
Allowance for credit losses	0	0
Fair value	$ 158,808	$ 146,583