Loans (Loans Acquired With Deterioration of Credit Quality) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, acquired with deteriorated credit quality	$ 14,085	$ 15,176
Financing receivable, acquired with deteriorated credit quality, net of deferred income	13,607	14,700
Commercial Real Estate
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, acquired with deteriorated credit quality	1,890	2,145
Commercial and Industrial
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, acquired with deteriorated credit quality	58	74
Residential Real Estate
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, acquired with deteriorated credit quality	12,084	12,873
Consumer
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, acquired with deteriorated credit quality	$ 53	$ 84