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Derivatives (Schedule Of Derivative Activities Associated With Trust Preferred Loans) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | [1] | Dec. 31, 2016 | Dec. 31, 2015
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Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Loans, net of unearned income | $ 27,658,929 | $ 19,589,520 | [1] | $ 17,686,502
Loan Portfolio Hedging | Hedging Instruments And Hedged Items | Interest Rate Swap |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Notional |  | 6,500 |  |
Liabilities |  | 208 |  |
Loan Portfolio Hedging | Hedging Instruments And Hedged Items | Trust Preferred Loans |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Loans, net of unearned income |  | $ 6,500 |  |
[1] | December 31, 2017 and 2016 include $22.7 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate in process of foreclosure.

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. 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=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
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