Loans (Credit Quality Indicators - Commercial) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 1,254,920	$ 1,180,433
Pass [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	725,186	669,220
Pass [Member] | Commercial Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	39,449	27,842
Pass [Member] | Commercial Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	490,285	483,371
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	38,807	46,042
Special Mention [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	19,406	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	19,401	24,393
Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	16,387	25,944
Classified [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	13,845	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	$ 2,542	$ 6,000