Loans (Troubled Debt Restructurings Subsequent Default) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 loan		Mar. 31, 2013 loan
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	2		3
Commercial Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		2
Commercial Construction and Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0
Commercial Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0
Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	2		0
Homeowner Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0
Home Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		1
Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0
Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0
Payment Default [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	6		2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1,191	[1]	$ 267	[1]
Payment Default [Member] | Commercial Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	235	[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
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	0	[1]
Payment Default [Member] | Commercial Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	6		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	1,191	[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
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	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
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	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		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	32	[1]
Payment Default [Member] | Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	[1]	0	[1]
Payment Default [Member] | Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans Modified as a Troubled Debt Restructuring	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 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.