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Allowance For Loan Losses (Schedule Of Credit Quality Indicators) (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total | $ 2,696,438 | $ 2,652,066
Commercial, Industrial, And Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 1,153,598 | 1,169,379
Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 124,495 | 140,548
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 1,029,103 | 1,028,831
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 1,083,773 | 1,099,397
Pass [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 111,706 | 128,812
Pass [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 972,067 | 970,585
Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 26,113 | 15,864
Special Mention [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 4,814 | 761
Special Mention [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 21,299 | 15,103
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 43,671 | 53,266
Substandard [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 7,934 | 10,575
Substandard [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 35,737 | 42,691
Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 41 | 852
Doubtful [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | 41 | 400
Doubtful [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total | $ 0 | $ 452

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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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