Loans (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Total Loans	$ 1,431,522,000		$ 1,431,522,000		$ 1,191,659,000
Interest income recognized attributable to nonaccrual loans			0	$ 0
Interest income	0	$ 1,000
Interest income recognized on impaired loans	90,000	99,000	271,000	313,000
Allocated of specfic allowance for TDR loans	309,000		309,000		360,000
Commitment to lend additional funds	0		0		0
Charge-offs	93,000	2,000	115,000	241,000
Total TDRs	8,138,000		8,138,000		8,876,000
TDR Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Allocated of specfic allowance for TDR loans	309,000		309,000		360,000
Charge-offs	0	$ 0	0	0
Defaults on loans modified as TDR			0	0
Total TDRs	0		0		0
Paycheck Protection Program [Member]
Accounts Notes And Loans Receivable [Line Items]
Loan amount	1,400,000		1,400,000		42,400,000
Deferred loan fees	19,000,000		19,000,000		1,500,000
Interest income recognized attributable to nonaccrual loans			1,600,000	$ 3,500,000
Commercial and Industrial [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	121,145,000		121,145,000		146,592,000
Allocated of specfic allowance for TDR loans	48,000		48,000		71,000
Charge-offs	88,000		88,000
Total TDRs	92,000		92,000		141,000
Commercial and Industrial [Member] | Federal Home Loan Bank Advances [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	$ 253,900,000		$ 253,900,000		$ 185,100,000