Allowance for Credit Losses on Loans and Off-Balance Sheet Credit Exposures - Schedule of Financing Receivable, Nonaccrual (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual	$ 1,882	$ 2,211
Nonaccrual With No Allowance for Credit Losses	1,882	6
90 Days and Over and Accruing	245	186
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual		103
Nonaccrual With No Allowance for Credit Losses		0
90 Days and Over and Accruing		186
Residential real estate \| Non-revolving residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual	0
Nonaccrual With No Allowance for Credit Losses	0
90 Days and Over and Accruing	229
Residential real estate \| Revolving residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual	0
Nonaccrual With No Allowance for Credit Losses	0
90 Days and Over and Accruing	16
Construction real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual		6
Nonaccrual With No Allowance for Credit Losses		6
90 Days and Over and Accruing		0
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual		2,102
Nonaccrual With No Allowance for Credit Losses		0
90 Days and Over and Accruing		$ 0
Commercial Real Estate \| Non-residential commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual	1,882
Nonaccrual With No Allowance for Credit Losses	1,882
90 Days and Over and Accruing	$ 0

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.

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, of financing receivable 90 days or more past due and still accruing. 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 (c)
-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. 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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