Allowance for Credit Losses and Credit Quality of Loans, Amortized Cost Basis of Loans Modified to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Interest Rate Reduction [Member]
Modified Loans Disaggregated by Class of Financing Receivable and Type of Concession Granted [Abstract]
Amortized cost	$ 0	$ 174
Term Extension [Member]
Modified Loans Disaggregated by Class of Financing Receivable and Type of Concession Granted [Abstract]
Amortized cost	1,200	311
Combination - Term Extension and Interest Rate Reduction [Member]
Modified Loans Disaggregated by Class of Financing Receivable and Type of Concession Granted [Abstract]
Amortized cost	282	160
Residential [Member] | Interest Rate Reduction [Member]
Modified Loans Disaggregated by Class of Financing Receivable and Type of Concession Granted [Abstract]
Amortized cost	$ 0	$ 174
% of total class of financing receivables	0.00%	0.007%
Residential [Member] | Term Extension [Member]
Modified Loans Disaggregated by Class of Financing Receivable and Type of Concession Granted [Abstract]
Amortized cost	$ 1,200	$ 311
% of total class of financing receivables	0.045%	0.012%
Residential [Member] | Combination - Term Extension and Interest Rate Reduction [Member]
Modified Loans Disaggregated by Class of Financing Receivable and Type of Concession Granted [Abstract]
Amortized cost	$ 282	$ 160
% of total class of financing receivables	0.011%	0.006%