Investment Securities - Amortized Costs, Gains and Losses, Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	$ 213,424	$ 215,908
Gross unrealized gains	108	121
Gross unrealized losses	(30,078)	(27,287)
Available for sale debt securities fair value	183,454	188,742
U.S. Treasury
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	993	1,977
Gross unrealized gains	0	1
Gross unrealized losses	0	0
Available for sale debt securities fair value	993	1,978
U.S. government and federal agency obligations
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	410	446
Gross unrealized gains	0	0
Gross unrealized losses	(18)	(19)
Available for sale debt securities fair value	392	427
U.S. government-sponsored enterprises
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	13,035	22,042
Gross unrealized gains	0	16
Gross unrealized losses	(288)	(236)
Available for sale debt securities fair value	12,747	21,822
Obligations of states and political subdivisions
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	125,834	126,396
Gross unrealized gains	29	55
Gross unrealized losses	(21,835)	(19,566)
Available for sale debt securities fair value	104,028	106,885
Mortgage-backed securities
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	59,841	51,736
Gross unrealized gains	57	27
Gross unrealized losses	(6,504)	(6,123)
Available for sale debt securities fair value	53,394	45,640
Other debt securities
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	11,825	11,825
Gross unrealized gains	22	22
Gross unrealized losses	(1,152)	(1,026)
Available for sale debt securities fair value	10,695	10,821
Bank issued trust preferred securities
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	1,486	1,486
Gross unrealized gains	0	0
Gross unrealized losses	(281)	(317)
Available for sale debt securities fair value	$ 1,205	$ 1,169

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).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

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- Definition

Amount, before tax, of unrealized loss 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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

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Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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