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Investments, Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Investment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities [Abstract]
Amortized cost	$ 445,756	$ 453,343
Gross unrealized gains	710	285
Gross unrealized losses	(27,276)	(36,027)
Allowance for credit losses	0	0
Fair value	419,190	417,601
U.S. Agency Securities [Member]
Debt Securities [Abstract]
Amortized cost	59,579	66,569
Gross unrealized gains	5	1
Gross unrealized losses	(3,970)	(5,799)
Allowance for credit losses	0	0
Fair value	55,614	60,771
U.S. Treasury Securities [Member]
Debt Securities [Abstract]
Amortized cost	128,637	152,485
Gross unrealized gains	0	0
Gross unrealized losses	(5,333)	(9,197)
Allowance for credit losses	0	0
Fair value	123,304	143,288
Obligations of State and Political Subdivisions [Member]
Debt Securities [Abstract]
Amortized cost	104,005	107,945
Gross unrealized gains	25	32
Gross unrealized losses	(6,588)	(6,190)
Allowance for credit losses	0	0
Fair value	97,442	101,787
Corporate Obligations [Member]
Debt Securities [Abstract]
Amortized cost	13,436	13,394
Gross unrealized gains	290	245
Gross unrealized losses	(1,085)	(1,236)
Allowance for credit losses	0	0
Fair value	12,641	12,403
Mortgage-backed Securities in Government Sponsored Entities [Member]
Debt Securities [Abstract]
Amortized cost	140,099	112,950
Gross unrealized gains	390	7
Gross unrealized losses	(10,300)	(13,605)
Allowance for credit losses	0	0
Fair value	$ 130,189	$ 99,352

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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