Loans (Troubled Debt Restructurings) (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015 USD ($) loan	Sep. 30, 2014 USD ($) loan	Sep. 30, 2015 USD ($) loan	Sep. 30, 2014 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan		3	2	9	13
Pre-Modification Recorded Investment	[1]	$ 1,716	$ 327	$ 2,498	$ 1,569
Post-Modification Recorded Investment	[1]	$ 1,716	$ 327	$ 2,498	$ 1,569
Commercial Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan		1	0	1	0
Pre-Modification Recorded Investment	[1]	$ 1,190	$ 0	$ 1,190	$ 0
Post-Modification Recorded Investment	[1]	$ 1,190	$ 0	$ 1,190	$ 0
Commercial Construction & Development [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan		0	0	0	0
Pre-Modification Recorded Investment	[1]	$ 0	$ 0	$ 0	$ 0
Post-Modification Recorded Investment	[1]	$ 0	$ 0	$ 0	$ 0
Commercial & Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan		0	1	3	10
Pre-Modification Recorded Investment	[1]	$ 0	$ 63	$ 584	$ 826
Post-Modification Recorded Investment	[1]	$ 0	$ 63	$ 584	$ 826
Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan		2	1	3	3
Pre-Modification Recorded Investment	[1]	$ 526	$ 264	$ 619	$ 743
Post-Modification Recorded Investment	[1]	$ 526	$ 264	$ 619	$ 743
Homeowner Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan		0	0	0	0
Pre-Modification Recorded Investment	[1]	$ 0	$ 0	$ 0	$ 0
Post-Modification Recorded Investment	[1]	$ 0	$ 0	$ 0	$ 0
Home Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan				0	0
Pre-Modification Recorded Investment	[1]			$ 0	$ 0
Post-Modification Recorded Investment	[1]			$ 0	$ 0
Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan				1	0
Pre-Modification Recorded Investment	[1]			$ 70	$ 0
Post-Modification Recorded Investment	[1]			$ 70	$ 0
Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of loans modified as a troubled debt restructuring | loan				1	0
Pre-Modification Recorded Investment	[1]			$ 35	$ 0
Post-Modification Recorded Investment	[1]			$ 35	$ 0

[1] The recorded investment in troubled debt restructurings consists of unpaid principal balance, net of charge-offs and unamortized deferred loan origination fees and costs, at the time of the restructuring. For accruing troubled debt restructured loans, the recorded investment also includes accrued interest.