Loans And Related Allowances For Loan Losses (Modification of Troubled Debt Restructuring by Class) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) contract	Dec. 31, 2014 USD ($) contract
Temporary Rate Modification [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	2
Recorded Investment | $	$ 156	$ 160
Temporary Rate Modification [Member] | Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Temporary Rate Modification [Member] | Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Temporary Rate Modification [Member] | Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Temporary Rate Modification [Member] | Other Acquired and Development Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Temporary Rate Modification [Member] | Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Temporary Rate Modification [Member] | Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	2
Recorded Investment | $	$ 156	$ 160
Temporary Rate Modification [Member] | Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Temporary Rate Modification [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Extension Of Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	9	3
Recorded Investment | $	$ 5,377	$ 510
Extension Of Maturity [Member] | Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	2
Recorded Investment | $	$ 3,097	$ 277
Extension Of Maturity [Member] | Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	0
Recorded Investment | $	$ 237	$ 0
Extension Of Maturity [Member] | Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Extension Of Maturity [Member] | Other Acquired and Development Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	3	0
Recorded Investment | $	$ 372	$ 0
Extension Of Maturity [Member] | Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	0
Recorded Investment | $	$ 930	$ 0
Extension Of Maturity [Member] | Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	3	1
Recorded Investment | $	$ 741	$ 233
Extension Of Maturity [Member] | Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Extension Of Maturity [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Modification Of Payment And Other Terms [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	10	6
Recorded Investment | $	$ 6,669	$ 5,199
Modification Of Payment And Other Terms [Member] | Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	2	0
Recorded Investment | $	$ 260	$ 0
Modification Of Payment And Other Terms [Member] | Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	4
Recorded Investment | $	$ 3,847	$ 2,627
Modification Of Payment And Other Terms [Member] | Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	1
Recorded Investment | $	$ 700	$ 790
Modification Of Payment And Other Terms [Member] | Other Acquired and Development Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	1
Recorded Investment | $	$ 1,746	$ 1,782
Modification Of Payment And Other Terms [Member] | Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Modification Of Payment And Other Terms [Member] | Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	0
Recorded Investment | $	$ 116	$ 0
Modification Of Payment And Other Terms [Member] | Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0
Modification Of Payment And Other Terms [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment | $	$ 0	$ 0