Loans (Credit Quality Indicators - Commercial) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Commercial Real Estate | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 1,441,182	$ 1,387,666
Commercial Real Estate | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	17,778	205
Commercial Real Estate | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	4,722	4,537
Commercial & Industrial | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	571,489	559,019
Commercial & Industrial | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	27,073	50,426
Commercial & Industrial | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	12,046	11,259
Total Commercial | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	2,012,671	1,946,685
Total Commercial | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	44,851	50,631
Total Commercial | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 16,768	$ 15,796