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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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- 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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