Loans, And Allowance For Loan Losses (Allowance For Loan Losses And Recorded Investment In Loans) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses: Beginning Balance				$ 4,581	$ 4,752	$ 4,752
Allowance for Credit Losses: Charge-offs				(319)		(1,064)
Allowance for Credit Losses: Recoveries				77		177
Allowance for credit losses: Provision		$ 108	$ 190	434	527	716
Allowance for Credit Losses: Ending Balance		4,773		4,773		4,581
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment		63		63		238
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment		4,710		4,710		4,343
Allowance for Credit Losses: Totals		4,773		4,773		4,581
Financing Receivables: Ending Balance: Individually evaluated for impairment		5,203		5,203		6,580
Financing Receivables: Ending Balance: Collectively evaluated for impairment		550,575		550,575		528,017
Total loans	[1]	555,778		555,778		534,597
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses: Beginning Balance				1,136	1,264	1,264
Allowance for Credit Losses: Charge-offs				(104)		(395)
Allowance for Credit Losses: Recoveries				34		113
Allowance for credit losses: Provision				222		154
Allowance for Credit Losses: Ending Balance		1,288		1,288		1,136
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment		8		8		15
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment		1,280		1,280		1,121
Allowance for Credit Losses: Totals		1,288		1,288		1,136
Financing Receivables: Ending Balance: Individually evaluated for impairment		496		496		1,461
Financing Receivables: Ending Balance: Collectively evaluated for impairment		101,695		101,695		91,416
Total loans		102,191		102,191		92,877
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses: Beginning Balance				1,831	1,738	1,738
Allowance for Credit Losses: Charge-offs				(6)		(230)
Allowance for Credit Losses: Recoveries				5		4
Allowance for credit losses: Provision				89		319
Allowance for Credit Losses: Ending Balance		1,919		1,919		1,831
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment		21		21		56
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment		1,898		1,898		1,775
Allowance for Credit Losses: Totals		1,919		1,919		1,831
Financing Receivables: Ending Balance: Individually evaluated for impairment		2,959		2,959		2,674
Financing Receivables: Ending Balance: Collectively evaluated for impairment		298,057		298,057		286,497
Total loans		301,016		301,016		289,171
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses: Beginning Balance				956	1,172	1,172
Allowance for Credit Losses: Charge-offs				(188)		(405)
Allowance for Credit Losses: Recoveries				34		60
Allowance for credit losses: Provision				56		129
Allowance for Credit Losses: Ending Balance		858		858		956
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment						106
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment		858		858		850
Allowance for Credit Losses: Totals		858		858		956
Financing Receivables: Ending Balance: Individually evaluated for impairment		109		109		194
Financing Receivables: Ending Balance: Collectively evaluated for impairment		83,162		83,162		85,997
Total loans		83,271		83,271		86,191
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses: Beginning Balance				658	$ 578	578
Allowance for Credit Losses: Charge-offs				(21)		(34)
Allowance for Credit Losses: Recoveries				4
Allowance for credit losses: Provision				67		114
Allowance for Credit Losses: Ending Balance		708		708		658
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment		34		34		61
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment		674		674		597
Allowance for Credit Losses: Totals		708		708		658
Financing Receivables: Ending Balance: Individually evaluated for impairment		1,639		1,639		2,251
Financing Receivables: Ending Balance: Collectively evaluated for impairment		67,661		67,661		64,107
Total loans		$ 69,300		$ 69,300		$ 66,358

[1] Includes net deferred costs and premiums of $299 and $457 as of September 30, 2019 and December 31, 2018, respectively.