Loans and Related Allowance for Loan Losses (Modification of Troubled Debt Restructuring by Class) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) loan	Jun. 30, 2014 USD ($) loan	Jun. 30, 2015 USD ($) loan	Jun. 30, 2014 USD ($) loan
Temporary Rate Modification [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	1
Recorded Investment | $	$ 0	$ 0	$ 0	$ 90
Temporary Rate Modification [Member] | Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Temporary Rate Modification [Member] | Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Temporary Rate Modification [Member] | Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Temporary Rate Modification [Member] | Acquisition and development- All other A&D [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Temporary Rate Modification [Member] | Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Temporary Rate Modification [Member] | Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	1
Recorded Investment | $	$ 0	$ 0	$ 0	$ 90
Temporary Rate Modification [Member] | Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Temporary Rate Modification [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Extension of Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	2	0	8	2
Recorded Investment | $	$ 1,167	$ 0	$ 5,235	$ 277
Extension of Maturity [Member] | Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	1	2
Recorded Investment | $	$ 0	$ 0	$ 3,097	$ 277
Extension of Maturity [Member] | Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	0	1	0
Recorded Investment | $	$ 237	$ 0	$ 237	$ 0
Extension of Maturity [Member] | Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Extension of Maturity [Member] | Acquisition and development- All other A&D [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	3	0
Recorded Investment | $	$ 0	$ 0	$ 372	$ 0
Extension of Maturity [Member] | Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	0	1	0
Recorded Investment | $	$ 930	$ 0	$ 930	$ 0
Extension of Maturity [Member] | Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	2	0
Recorded Investment | $	$ 0	$ 0	$ 599	$ 0
Extension of Maturity [Member] | Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Extension of Maturity [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Modification of Payment and Other Terms [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	3	7	4
Recorded Investment | $	$ 0	$ 2,173	$ 4,099	$ 2,627
Modification of Payment and Other Terms [Member] | Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	1	0
Recorded Investment | $	$ 0	$ 0	$ 136	$ 0
Modification of Payment and Other Terms [Member] | Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	3	5	4
Recorded Investment | $	$ 0	$ 2,173	$ 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	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Modification of Payment and Other Terms [Member] | Acquisition and development- All other A&D [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Modification of Payment and Other Terms [Member] | Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Modification of Payment and Other Terms [Member] | Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	1	0
Recorded Investment | $	$ 0	$ 0	$ 116	$ 0
Modification of Payment and Other Terms [Member] | Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Modification of Payment and Other Terms [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0