Loans (Troubled Debt Restructurings Subsequent Default) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014 loan		Jun. 30, 2013 loan		Jun. 30, 2014 loan		Jun. 30, 2013 loan
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	9		8		11		11
Commercial Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		3		0		5
Commercial Construction and Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Commercial Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	9		5		9		5
Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		2		0
Homeowner Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Home Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		1
Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Payment Default [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	3		1		3		3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 254	[1]	$ 482	[1]	$ 254	[1]	$ 749	[1]
Payment Default [Member] | Commercial Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		1		0		2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	482	[1]	0	[1]	717	[1]
Payment Default [Member] | Commercial Construction and Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	0	[1]	0	[1]	0	[1]
Payment Default [Member] | Commercial Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	3		0		3		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	254	[1]	0	[1]	254	[1]	0	[1]
Payment Default [Member] | Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	0	[1]	0	[1]	0	[1]
Payment Default [Member] | Homeowner Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	0	[1]	0	[1]	0	[1]
Payment Default [Member] | Home Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	0	[1]	0	[1]	0	[1]
Payment Default [Member] | Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	0	[1]	0	[1]	32	[1]
Payment Default [Member] | Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0		0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]

[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. For accruing troubled debt restructured loans, the recorded investment also includes accrued interest.