Investments, Gross Unrealized Losses and Fair Value and Net Unrealized Gains (Losses) (Details) $ in Thousands	Jun. 30, 2024 USD ($) Security	Dec. 31, 2023 USD ($)
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Number of securities owned with fair value less than cost \| Security	317
Less than twelve months, Fair value	$ 10,022	$ 10,690
Less than twelve months, Gross unrealized losses	(36)	(296)
Twelve months or greater, Fair value	372,997	392,449
Twelve months or greater, Gross unrealized losses	(37,203)	(35,731)
Total, Fair value	383,019	403,139
Total, Gross Unrealized Losses	(37,239)	(36,027)
U.S. Agency Securities [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	0	0
Less than twelve months, Gross unrealized losses	0	0
Twelve months or greater, Fair value	53,815	58,753
Twelve months or greater, Gross unrealized losses	(5,746)	(5,799)
Total, Fair value	53,815	58,753
Total, Gross Unrealized Losses	(5,746)	(5,799)
U.S. Treasury Securities [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	0	0
Less than twelve months, Gross unrealized losses	0	0
Twelve months or greater, Fair value	130,073	143,288
Twelve months or greater, Gross unrealized losses	(8,509)	(9,197)
Total, Fair value	130,073	143,288
Total, Gross Unrealized Losses	(8,509)	(9,197)
Obligations of State and Political Subdivisions [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	3,554	0
Less than twelve months, Gross unrealized losses	(23)	0
Twelve months or greater, Fair value	88,349	93,535
Twelve months or greater, Gross unrealized losses	(7,944)	(6,190)
Total, Fair value	91,903	93,535
Total, Gross Unrealized Losses	(7,967)	(6,190)
Corporate Obligations [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	0	1,487
Less than twelve months, Gross unrealized losses	0	(265)
Twelve months or greater, Fair value	9,024	8,320
Twelve months or greater, Gross unrealized losses	(1,245)	(971)
Total, Fair value	9,024	9,807
Total, Gross Unrealized Losses	(1,245)	(1,236)
Mortgage-backed Securities in Government Sponsored Entities [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	6,468	9,203
Less than twelve months, Gross unrealized losses	(13)	(31)
Twelve months or greater, Fair value	91,736	88,553
Twelve months or greater, Gross unrealized losses	(13,759)	(13,574)
Total, Fair value	98,204	97,756
Total, Gross Unrealized Losses	$ (13,772)	$ (13,605)

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