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