Loans And Leases (Individually Evaluated For Impairment By Class Of Loans) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2020		Sep. 30, 2019	Sep. 30, 2020		Sep. 30, 2019	Dec. 31, 2019
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		$ 2,918			$ 2,918			$ 4,612
Impaired Financing Receivable, Unpaid Principal Balance, Total		2,918			2,918			4,612
Impaired Financing Receivable, with Related Allowance, Recorded Investment		2,918			2,918			4,612
Impaired Financing Receivable, Recorded Investment, Total		2,918			2,918			4,612
Impaired Financing Receivable, ALLL Allocated		23			23			35
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				$ 121			$ 122
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		2,913		4,672	2,947		4,316
Impaired Financing Receivable, Average Recorded Investment, Total		2,913		4,793	2,947		4,438
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized				4			10
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized		41		39	124		120
Impaired Financing Receivable, Interest Income Recognized, Total		41		43	124		130
Impaired Financing Receivable Allocated Loans and Leases		23			23			35
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		80	[1]		80	[1]		85
Impaired Financing Receivable, with Related Allowance, Recorded Investment		80	[1]		80	[1]		85
Impaired Financing Receivable, ALLL Allocated								1
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		80	[1]	90	111	[1]	94
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized	[1]	2			8
Single-Family Residential [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		105	[1]		105	[1]		107
Impaired Financing Receivable, with Related Allowance, Recorded Investment		105	[1]		105	[1]		107
Impaired Financing Receivable, ALLL Allocated								1
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		105	[1]	108	106	[1]	109
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized		1	[1]	1	3	[1]	4
Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		2,733			2,733			4,420
Impaired Financing Receivable, with Related Allowance, Recorded Investment		2,733			2,733			4,420
Impaired Financing Receivable, ALLL Allocated		23			23			$ 33
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		2,728		4,474	2,730		4,113
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized		$ 38		38	$ 113		116
Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				121			122
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized				$ 4			$ 10

[1] Allowance recorded in an amount less than $1 has been rounded down to zero.