Loans (Impaired Loans Interest Income Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	$ 16,889	$ 17,124	$ 17,102	$ 18,680
Interest Income Recognized on Impaired Loans	169	170	353	360
Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	926	0	951	2,039
Interest Income Recognized on Impaired Loans	0	0	1	0
Commercial & Industrial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	3,868	5,983	4,276	5,738
Interest Income Recognized on Impaired Loans	49	73	103	139
Total Commercial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	4,794	5,983	5,227	7,777
Interest Income Recognized on Impaired Loans	49	73	104	139
Residential Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	10,728	10,017	10,441	9,934
Interest Income Recognized on Impaired Loans	107	85	222	197
Home Equity
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	1,332	1,036	1,406	853
Interest Income Recognized on Impaired Loans	13	10	27	19
Other
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	35	88	28	116
Interest Income Recognized on Impaired Loans	0	2	0	5
Total Consumer
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	1,367	1,124	1,434	969
Interest Income Recognized on Impaired Loans	$ 13	$ 12	$ 27	$ 24