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Loans (Retail Loan Portfolio Categorized By Payment Status) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | $ 2,305,071 | $ 2,052,600
Residential Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 421,476 | 376,023
Residential Real Estate Loans [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 420,240 | 374,175
Residential Real Estate Loans [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,236 | 1,848
Residential Real Estate Lines [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 119,745 | 124,766
Residential Real Estate Lines [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 119,373 | 124,531
Residential Real Estate Lines [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 372 | 235
Consumer Indirect [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 725,754 | 652,494
Consumer Indirect [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 724,228 | 651,027
Consumer Indirect [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,526 | 1,467
Other Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 17,465 | 18,361
Other Consumer [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 17,449 | 18,340
Other Consumer [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | $ 16 | $ 21

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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 + Details
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