Loans (Schedule of Financing Receivables, Non-Accrual Status) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Losses	$ 6,697	$ 6,006
Nonaccrual with Allowance for Credit Losses	1,427	109
Total Non-accrual Loans	8,124	6,115
Interest Income on Nonaccrual Loans	63	121
Interest Income on Nonaccrual Loans	0	0
Non-accrual Delinquent Loans	727	655
Non-accrual Current Loans	7,397	5,460
Commercial Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Losses	4,498	4,521
Nonaccrual with Allowance for Credit Losses	1,391	81
Total Non-accrual Loans	5,889	4,602
Non-accrual Delinquent Loans	0	0
Non-accrual Current Loans	5,889	4,602
Residential First Mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Non-accrual Loans		0
Non-accrual Delinquent Loans		0
Non-accrual Current Loans		0
Residential Rentals
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Losses	1,631	1,142
Nonaccrual with Allowance for Credit Losses	0	0
Total Non-accrual Loans	1,631	1,142
Non-accrual Delinquent Loans	274	449
Non-accrual Current Loans	1,357	693
Home Equity and Second Mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Losses	444	206
Nonaccrual with Allowance for Credit Losses	0	0
Total Non-accrual Loans	444	206
Non-accrual Delinquent Loans	444	206
Non-accrual Current Loans	0	0
Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Losses	0	0
Nonaccrual with Allowance for Credit Losses	9
Total Non-accrual Loans	9
Non-accrual Delinquent Loans	9
Non-accrual Current Loans	0
Commercial Equipment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Losses	124	137
Nonaccrual with Allowance for Credit Losses	27	28
Total Non-accrual Loans	151	165
Non-accrual Delinquent Loans	0	0
Non-accrual Current Loans	$ 151	165
U.S. SBA PPP
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Non-accrual Loans		0
Non-accrual Delinquent Loans		0
Non-accrual Current Loans		$ 0