Loans And The Allowance For Loan Losses (Data, At Class Level, Of Credit Quality Indicators Of Certain Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2016		Dec. 31, 2015	Sep. 30, 2015
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	$ 912,137		$ 773,305	$ 730,485
Total Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	723,166		627,240
Commercial Real Estate [Member] | Total Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	546,129	[1]	460,711	434,914	[1]
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating 1-3 / 1-3.2 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	441,870		383,220
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating 4 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	82,978		53,117
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating 5 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	12,243		12,996
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating 6 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	9,038		11,378
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating 7 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	83,718		60,892
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating 1-3 / 1-3.2 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	71,844		42,383
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating 4 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	7,695		13,098
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating 5 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans			1,224
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating 6 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	4,179		4,187
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating 7 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	462,411		399,819
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating 1-3 / 1-3.2 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	370,026		340,837
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating 4 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	75,283		40,019
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating 5 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	12,243		11,772
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating 6 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	4,859		7,191
Commercial Real Estate [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating 7 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans
Commercial And Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	187,440		144,330	$ 132,780
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating 1-3 / 1-3.2 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	113,112		80,379
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating 4 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	54,780		47,509
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating 5 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	11,432		8,973
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating 6 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	8,028		7,350
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating 7 [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	$ 88		$ 119

[1] Includes construction loans