Derivative Financial Instruments (Summary Of Location And Amounts Of Derivative Fair Values In The Consolidated Balance Sheets) (Details) (Non-hedging derivatives [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Derivative Financial Instruments [Line Items]
Liability Derivatives	$ 331	$ 278
Interest rate swap agreements [Member] | Other liabilities [Member]
Derivative Financial Instruments [Line Items]
Liability Derivatives	0	103
Equity contracts [Member] | Other liabilities [Member]
Derivative Financial Instruments [Line Items]
Liability Derivatives	$ 331	$ 175