Loans (Credit Quality Indicators - Commercial) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 1,659,364	$ 1,614,107
Pass [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	963,155	914,774
Pass [Member] | Commercial Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	123,032	122,297
Pass [Member] | Commercial & Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	573,177	577,036
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	15,658	15,047
Special Mention [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	787	3,035
Special Mention [Member] | Commercial Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Special Mention [Member] | Commercial & Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	14,871	12,012
Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	23,789	25,393
Classified [Member] | Commercial Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	12,989	14,144
Classified [Member] | Commercial Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Commercial & Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 10,800	$ 11,249