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Allowance for Credit Losses - Loans - Amortized cost basis of collateral-dependent loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	$ 1,002,306	$ 990,766
Collateral Pledged [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	2,793
Other commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	144,806
Other commercial real estate (non-owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	229,885
Other commercial real estate (non-owner occupied) | Collateral Pledged [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	2,602
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	174,419
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	726,383
Commercial | Commercial real estate (owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	88,458
Commercial | Commercial real estate (owner occupied) | Collateral Pledged [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	191
Commercial | Other commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	144,806
Commercial | Commercial real estate (non-owner occupied) - retail
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	158,637
Commercial | Commercial real estate (non-owner occupied) - multi-family
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	104,597
Commercial | Other commercial real estate (non-owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	229,885
Consumer.
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	275,923
Consumer. | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	174,419
Consumer. | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans (net of unearned income $401 on September 30, 2023 and $343 on December 31, 2022)	$ 101,504

X

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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- Definition

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
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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