Loans (Amortized Cost for Collateral-Dependent Loans by Class of Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	$ 6,697	$ 6,006
Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	4,498	4,521
Residential Rentals
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	1,631	1,142
Home Equity and Second Mortgages
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	444	206
Consumer Loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0	0
Commercial Equipment
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	124	137
Business/Other Assets
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	160	595
Business/Other Assets | Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0	0
Business/Other Assets | Residential Rentals
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0	0
Business/Other Assets | Home Equity and Second Mortgages
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0	0
Business/Other Assets | Consumer Loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	9
Business/Other Assets | Commercial Equipment
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	151	595
Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	7,964	5,949
Real Estate | Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	5,889	4,601
Real Estate | Residential Rentals
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	1,631	1,142
Real Estate | Home Equity and Second Mortgages
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	444	206
Real Estate | Consumer Loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0
Real Estate | Commercial Equipment
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	$ 0	$ 0