Loans (Impaired Loans Interest Income Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	$ 20,253	$ 34,097
Interest Income Recognized on Impaired Loans	190	238
Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	4,100	9,780
Interest Income Recognized on Impaired Loans	0	26
Commercial & Industrial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	5,492	6,965
Interest Income Recognized on Impaired Loans	66	76
Total Commercial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	9,592	16,745
Interest Income Recognized on Impaired Loans	66	102
Residential Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	9,850	16,240
Interest Income Recognized on Impaired Loans	112	122
Home Equity
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	667	969
Interest Income Recognized on Impaired Loans	9	10
Other
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	144	143
Interest Income Recognized on Impaired Loans	3	4
Total Consumer
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	811	1,112
Interest Income Recognized on Impaired Loans	$ 12	$ 14

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- Definition

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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