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Loans (Retail Loan Portfolio Categorized By Payment Status) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 2,366,640	$ 2,305,071
Residential Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	421,614	421,476
Residential Real Estate Loans [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	420,013	420,240
Residential Real Estate Loans [Member] | Non-Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,601	1,236
Residential Real Estate Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	118,056	119,745
Residential Real Estate Lines [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	117,720	119,373
Residential Real Estate Lines [Member] | Non-Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	336	372
Consumer Indirect [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	758,761	725,754
Consumer Indirect [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	757,721	724,228
Consumer Indirect [Member] | Non-Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,040	1,526
Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	16,762	17,465
Other Consumer [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	16,739	17,449
Other Consumer [Member] | Non-Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 23	$ 16

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+ References

No definition available.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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