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Loans (Retail Loan Portfolio Categorized By Payment Status) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | $ 3,179,465 | $ 3,044,320
Residential Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 560,717 | 514,981
Residential Real Estate Loans [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 558,233 | 512,590
Residential Real Estate Loans [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 2,484 | 2,391
Residential Real Estate Lines [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 101,048 | 106,712
Residential Real Estate Lines [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 100,946 | 106,457
Residential Real Estate Lines [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 102 | 255
Consumer Indirect [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 822,179 | 888,732
Consumer Indirect [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 820,454 | 886,743
Consumer Indirect [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,725 | 1,989
Other Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 15,984 | 16,590
Other Consumer [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 15,978 | 16,582
Other Consumer [Member] | Non-Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | $ 6 | $ 8

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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