Loans and Allowance for Credit Losses - Nonaccrual loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with No Allowance For Credit Losses	$ 1,908	$ 1,816
Nonaccrual with Allowance For Credit Losses		338
Total Nonaccrual Loans	1,908	2,154
Allowance for Credit Losses		290
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with Allowance For Credit Losses		327
Total Nonaccrual Loans		327
Allowance for Credit Losses		282
Construction and Land Development \| Real Estate Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with No Allowance For Credit Losses	73	248
Nonaccrual with Allowance For Credit Losses		11
Total Nonaccrual Loans	73	259
Allowance for Credit Losses		8
Residential Real Estate \| Real Estate Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with No Allowance For Credit Losses	1,157	1,263
Total Nonaccrual Loans	1,157	1,263
Nonresidential \| Real Estate Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with No Allowance For Credit Losses	627	305
Total Nonaccrual Loans	627	$ 305
Home Equity Loans \| Real Estate Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with No Allowance For Credit Losses	51
Total Nonaccrual Loans	$ 51

Amount excluding accrued interest, of allowance for credit loss on financing receivable on nonaccrual status.

No definition available.

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with allowance for credit loss.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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