Loans (Impaired Loans Interest Income Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	$ 14,425	$ 16,038	$ 16,200	$ 17,790
Interest Income Recognized on Impaired Loans	128	180	480	540
Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	886	0	929	1,352
Interest Income Recognized on Impaired Loans	0	0	1	0
Commercial & Industrial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	0	5,324	2,835	5,599
Interest Income Recognized on Impaired Loans	0	62	103	201
Total Commercial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	886	5,324	3,764	6,951
Interest Income Recognized on Impaired Loans	0	62	104	201
Residential Real Estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	12,017	9,265	10,972	9,709
Interest Income Recognized on Impaired Loans	109	96	331	293
Home Equity
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	1,414	1,424	1,409	1,045
Interest Income Recognized on Impaired Loans	16	22	43	41
Other
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	108	25	55	85
Interest Income Recognized on Impaired Loans	3	0	2	5
Total Consumer
Financing Receivable, Impaired [Line Items]
Average Recorded Investment of Impaired Loans	1,522	1,449	1,464	1,130
Interest Income Recognized on Impaired Loans	$ 19	$ 22	$ 45	$ 46

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118936363&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.

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