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Allowance for Credit Losses and Credit Quality of Loans, Performance of Modified Loans (Details) - ASU 2022-02 [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023
Current [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | $ 145 | $ 549
31-60 Days Past Due [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | 31 | 31
61-90 Days Past Due [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | 0 | 0
Greater Than 90 Days Past Due [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | 0 | 0
Residential [Member] | Current [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | 145 | 549
Residential [Member] | 31-60 Days Past Due [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | 31 | 31
Residential [Member] | 61-90 Days Past Due [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | 0 | 0
Residential [Member] | Greater Than 90 Days Past Due [Member] |  |
Performance of Modified Loans [Abstract] |  |
Amortized cost | $ 0 | $ 0

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