Loans (Impaired Loans Interest Income Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	$ 31,600	$ 21,902
Interest Income Recognized on Impaired Loans	190	117
Commercial Mortgages [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	14,740	14,942
Interest Income Recognized on Impaired Loans	93	79
Commercial Construction & Development [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	0	0
Interest Income Recognized on Impaired Loans	0	0
Commercial & Industrial [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	3,800	3,036
Interest Income Recognized on Impaired Loans	11	19
Residential Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	11,069	3,457
Interest Income Recognized on Impaired Loans	69	16
Homeowner Construction [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	0	0
Interest Income Recognized on Impaired Loans	0	0
Home Equity Lines [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	671	247
Interest Income Recognized on Impaired Loans	2	0
Home Equity Loans [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	1,175	74
Interest Income Recognized on Impaired Loans	13	0
Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	145	146
Interest Income Recognized on Impaired Loans	$ 2	$ 3