Loans (Credit Quality Indicators - Commercial) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 1,236,106	$ 1,180,433
Pass [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	685,924	669,220
Pass [Member] | Commercial Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	51,951	27,842
Pass [Member] | Commercial Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	498,231	483,371
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	40,078	46,042
Special Mention [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	23,753	21,649
Special Mention [Member] | Commercial Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Special Mention [Member] | Commercial Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	16,325	24,393
Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	21,708	25,944
Classified [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	17,698	19,944
Classified [Member] | Commercial Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Commercial Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 4,010	$ 6,000