Investment Securities - Schedule of Held to Maturity Securities Been in Continuous Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value
Less Than 12 Months	$ 2,753	$ 1,461
12 Months or Greater	386,952	385,894
Total	389,705	387,355
Gross Unrealized Losses
Less Than 12 Months	(29)	(78)
12 Months or Greater	(34,625)	(43,733)
Total	(34,654)	(43,811)
U.S. treasury securities
Fair Value
Less Than 12 Months	0	0
12 Months or Greater	92,731	90,094
Total	92,731	90,094
Gross Unrealized Losses
Less Than 12 Months	0	0
12 Months or Greater	(1,846)	(3,212)
Total	(1,846)	(3,212)
U.S. agency securities
Fair Value
Less Than 12 Months	0	0
12 Months or Greater	15,178	14,858
Total	15,178	14,858
Gross Unrealized Losses
Less Than 12 Months	0	0
12 Months or Greater	(1,006)	(1,424)
Total	(1,006)	(1,424)
State, county & municipal securities
Fair Value
Less Than 12 Months	2,753	1,461
12 Months or Greater	106,680	103,500
Total	109,433	104,961
Gross Unrealized Losses
Less Than 12 Months	(29)	(78)
12 Months or Greater	(11,257)	(13,781)
Total	(11,286)	(13,859)
Mortgage-backed securities
Fair Value
Less Than 12 Months	0	0
12 Months or Greater	172,363	177,442
Total	172,363	177,442
Gross Unrealized Losses
Less Than 12 Months	0	0
12 Months or Greater	(20,516)	(25,316)
Total	$ (20,516)	$ (25,316)

Debt Securities, Held-To-Maturity, Unrealized Loss Position, Fair Value

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

+ References

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-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
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-SubTopic 10
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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

+ References

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-Topic 320
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-Section 50
-Paragraph 6
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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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-Topic 320
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-Section 50
-Paragraph 6
-Subparagraph (a)(1)
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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.

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