Loans and the Allowance for Credit Losses - Non-performing Loans Disaggregated by Loan Category (Details) - Non-Performing Loans - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment Past Due [Line Items]
Non-accrual loans	$ 7,778	$ 5,839
Troubled debt restructurings		703
Total	7,778	6,542
Residential Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Non-accrual loans	6,742	4,733
Troubled debt restructurings		622
Total	6,742	5,355
Commercial Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Non-accrual loans	583	311
Total	583	311
Home Equity
Financing Receivable Recorded Investment Past Due [Line Items]
Non-accrual loans	384	722
Total	384	722
Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Non-accrual loans	69	73
Troubled debt restructurings		81
Total	$ 69	$ 154

Financing receivable recorded investment aggregate non-performing loans.

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- Definition

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

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- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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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.

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