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Loans and Allowance for Credit Losses - Summary of Amortized Cost Basis of Individually Evaluated Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Business Assets
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	$ 937	$ 1,004
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	1,779	2,007
Commercial real estate | Business Assets
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0	0
Commercial real estate | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	1,422	1,479
Residential mortgage | Business Assets
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0	0
Residential mortgage | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	176	343
Commercial and industrial | Business Assets
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	937	1,004
Commercial and industrial | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0	0
Home equity lines of credit | Business Assets
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0	0
Home equity lines of credit | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	$ 181	$ 185

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+ 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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The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11C
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11C

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L(5)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480418/310-10-S99-4

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