Loans (Amortized Cost for Collateral-Dependent Loans by Class of Loans) (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	$ 6,006
Commercial real estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	4,521
Residential rentals
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	1,142
Home equity and second mortgages
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	206
Commercial equipment
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	137
Business and Other Assets
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	595
Business and Other Assets | Commercial real estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0
Business and Other Assets | Residential rentals
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0
Business and Other Assets | Home equity and second mortgages
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	0
Business and Other Assets | Commercial equipment
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	595
Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	5,949
Real Estate | Commercial real estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	4,601
Real Estate | Residential rentals
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	1,142
Real Estate | Home equity and second mortgages
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	206
Real Estate | Commercial equipment
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Losses	$ 0