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Loans and Allowance for Loan Credit Losses - Schedule of Composition of the Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023		Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	$ 300,032		$ 304,144
Less allowance for credit losses	(4,206)	$ (4,337)	(4,319)		$ (4,400)	$ (4,399)	$ (4,482)
Loans, net	295,826		299,825	[1]
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	51,387		60,138
Less allowance for credit losses	(1,022)	(1,136)	(1,233)		(1,040)	(1,142)	(905)
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	11,144		12,438
Less allowance for credit losses	(164)	(167)	(189)		(191)	(239)	(573)
Residential real estate closed-end
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	218,129		210,358
Less allowance for credit losses	(2,774)	(2,756)	(2,668)		(2,963)	(2,793)	(2,650)
Other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	19,372		21,210
Less allowance for credit losses	$ (246)	$ (278)	$ (229)		$ (206)	$ (225)	$ (354)
[1] Derived from audited financial statements.

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

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-Topic 326
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-Paragraph 5
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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