Derivatives (Schedule Of Derivative Activities Associated With Trust Preferred Loans) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016		Jun. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Loans, net of unearned income		$ 19,989,319	[1]	$ 19,589,520	[1]	$ 18,589,337
Loan Portfolio Hedging | Hedging Instruments | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Notional		6,500		6,500
Liabilities		79		208
Loan Portfolio Hedging | Hedged Items | Trust Preferred Loans
Derivative Instruments, Gain (Loss) [Line Items]
Loans, net of unearned income	[2],[3]	$ 6,500		$ 6,500

[1] June 30, 2017 and December 31, 2016 include $28.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.

[2] Assets included in the Loans, net of unearned income section of the Consolidated Condensed Statements of Condition.

[3] Represents principal balance being hedged.