Loans (Troubled Debt Restructurings, Subsequently Defaulted) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 Number	Sep. 30, 2012 Number	Sep. 30, 2013 Numbers	Sep. 30, 2012 Numbers
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	0	3
Defaulted payment following modification for troubled debt restructurings	$ 0	$ 834	$ 0	$ 1,691
Commercial and Industrial Loans and Leases [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	1
Defaulted payment following modification for troubled debt restructurings	0	0	0	565
Commercial Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	0	2
Defaulted payment following modification for troubled debt restructurings	$ 0	$ 834	$ 0	$ 1,126