Loans (Impaired Loans Interest Income Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	$ 16,038	$ 30,260	$ 17,790	$ 32,493
Interest Income Recognized on Impaired Loans	180	197	540	699
Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	0	8,041	1,352	9,117
Interest Income Recognized on Impaired Loans	0	21	0	73
Commercial & Industrial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	5,324	6,427	5,599	6,750
Interest Income Recognized on Impaired Loans	62	67	201	219
Total Commercial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	5,324	14,468	6,951	15,867
Interest Income Recognized on Impaired Loans	62	88	201	292
Residential Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	9,265	15,107	9,709	15,750
Interest Income Recognized on Impaired Loans	96	102	293	374
Home Equity
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	1,424	543	1,045	734
Interest Income Recognized on Impaired Loans	22	5	41	25
Other
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	25	142	85	142
Interest Income Recognized on Impaired Loans	0	2	5	8
Total Consumer
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	1,449	685	1,130	876
Interest Income Recognized on Impaired Loans	$ 22	$ 7	$ 46	$ 33

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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