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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
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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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