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Investments, Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities [Abstract]
Amortized cost	$ 439,569	$ 453,343
Gross unrealized gains	331	285
Gross unrealized losses	(37,239)	(36,027)
Allowance for credit losses	0	0
Fair value	402,661	417,601
U.S. Agency Securities [Member]
Debt Securities [Abstract]
Amortized cost	61,576	66,569
Gross unrealized gains	3	1
Gross unrealized losses	(5,746)	(5,799)
Allowance for credit losses	0	0
Fair value	55,833	60,771
U.S. Treasury Securities [Member]
Debt Securities [Abstract]
Amortized cost	138,582	152,485
Gross unrealized gains	0	0
Gross unrealized losses	(8,509)	(9,197)
Allowance for credit losses	0	0
Fair value	130,073	143,288
Obligations of State and Political Subdivisions [Member]
Debt Securities [Abstract]
Amortized cost	104,668	107,945
Gross unrealized gains	6	32
Gross unrealized losses	(7,967)	(6,190)
Allowance for credit losses	0	0
Fair value	96,707	101,787
Corporate Obligations [Member]
Debt Securities [Abstract]
Amortized cost	13,422	13,394
Gross unrealized gains	273	245
Gross unrealized losses	(1,245)	(1,236)
Allowance for credit losses	0	0
Fair value	12,450	12,403
Mortgage-backed Securities in Government Sponsored Entities [Member]
Debt Securities [Abstract]
Amortized cost	121,321	112,950
Gross unrealized gains	49	7
Gross unrealized losses	(13,772)	(13,605)
Allowance for credit losses	0	0
Fair value	$ 107,598	$ 99,352

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