Derivative Financial Instruments (Summary Of Location And Amounts Of Derivative Fair Values In The Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Derivative [Line Items]
Liability Derivatives	$ (1,564)	$ (4,025)
Non-hedging derivatives [Member]
Derivative [Line Items]
Asset Derivatives	0	0
Liability Derivatives	1,615	4,219
Non-hedging derivatives [Member] | Interest rate swap agreements [Member] | Other Assets [Member]
Derivative [Line Items]
Asset Derivatives	0	0
Non-hedging derivatives [Member] | Interest rate swap agreements [Member] | Other liabilities [Member]
Derivative [Line Items]
Liability Derivatives	1,564	4,025
Non-hedging derivatives [Member] | Equity contracts [Member] | Other liabilities [Member]
Derivative [Line Items]
Asset Derivatives	0	0
Liability Derivatives	$ 51	$ 194