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Loans and Leases (Schedule of Change in Allowance for Loan Losses and the Recorded Investment in Loans) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses: Beginning balance				$ 9,747				$ 9,747				$ 9,193	$ 9,747	$ 9,747	$ 9,193
Charge-offs													(1,168)	(1,509)	(1,226)
Recoveries													373	424	330
Provisions	$ 1,550	$ 1,500	$ 1,900	300	$ 255	$ 320	$ 255	255	$ 325	$ 400	$ 425	300	5,250	1,085	1,450
Allowance for Loan Losses: Ending balance	14,202				9,747				9,747				14,202	9,747	9,747
Allowance for Loan Losses: Ending balance: individually evaluated for impairment	1,206				908								1,206	908
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment	12,996				8,839								12,996	8,839
Loan Receivables: Ending balance	1,119,652				753,410								1,119,652	753,410
Loans Receivable: Ending balance: individually evaluated for impairment	6,340				4,665								6,340	4,665
Loans Receivable: Ending balance: collectively evaluated for impairment	1,113,312				748,745								1,113,312	748,745
Unearned lease revenue	1,159				903								1,159	903
Deferred loan costs	1,700				3,000								1,700	3,000
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses: Beginning balance				1,484				1,432				1,374	1,484	1,432	1,374
Charge-offs													(372)	(184)	(196)
Recoveries													26	32	77
Provisions													1,269	204	177
Allowance for Loan Losses: Ending balance	2,407				1,484				1,432				2,407	1,484	1,432
Allowance for Loan Losses: Ending balance: individually evaluated for impairment	213				221								213	221
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment	2,194				1,263								2,194	1,263
Loan Receivables: Ending balance	280,757				122,594								280,757	122,594
Loans Receivable: Ending balance: individually evaluated for impairment	590				336								590	336
Loans Receivable: Ending balance: collectively evaluated for impairment	280,167				122,258								280,167	122,258
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses: Beginning balance				3,933				3,901				4,060	3,933	3,901	4,060
Charge-offs													(465)	(597)	(268)
Recoveries													30	317	42
Provisions													2,885	312	67
Allowance for Loan Losses: Ending balance	6,383				3,933				3,901				6,383	3,933	3,901
Allowance for Loan Losses: Ending balance: individually evaluated for impairment	790				426								790	426
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment	5,593				3,507								5,593	3,507
Loan Receivables: Ending balance	382,297				235,013								382,297	235,013
Loans Receivable: Ending balance: individually evaluated for impairment	4,540				2,948								4,540	2,948
Loans Receivable: Ending balance: collectively evaluated for impairment	377,757				232,065								377,757	232,065
Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses: Beginning balance				2,013				2,548				2,063	2,013	2,548	2,063
Charge-offs													(296)	(398)	(391)
Recoveries													120	67	211
Provisions													715	(204)	665
Allowance for Loan Losses: Ending balance	2,552				2,013				2,548				2,552	2,013	2,548
Allowance for Loan Losses: Ending balance: individually evaluated for impairment	52				87								52	87
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment	2,500				1,926								2,500	1,926
Loan Receivables: Ending balance	214,796				210,869								214,796	210,869
Loans Receivable: Ending balance: individually evaluated for impairment	483				375								483	375
Loans Receivable: Ending balance: collectively evaluated for impairment	214,313				210,494								214,313	210,494
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses: Beginning balance				2,278				1,844				1,608	2,278	1,844	1,608
Charge-offs													(35)	(330)	(371)
Recoveries													197	8
Provisions													341	756	607
Allowance for Loan Losses: Ending balance	2,781				2,278				1,844				2,781	2,278	1,844
Allowance for Loan Losses: Ending balance: individually evaluated for impairment	151				174								151	174
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment	2,630				2,104								2,630	2,104
Loan Receivables: Ending balance	241,802				184,934								241,802	184,934
Loans Receivable: Ending balance: individually evaluated for impairment	727				1,006								727	1,006
Loans Receivable: Ending balance: collectively evaluated for impairment	241,075				183,928								241,075	183,928
Unallocated [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses: Beginning balance				$ 39				$ 22				$ 88	39	22	88
Provisions													40	17	(66)
Allowance for Loan Losses: Ending balance	79				39				$ 22				79	39	$ 22
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment	$ 79				$ 39								$ 79	$ 39