Derivative Instruments And Hedging Activities (Gain/(Loss) Recognized In Income On Hedged Debt) (Details) (Interest Rate Swaps [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in Income on Hedged Debt	$ 0	$ 0	$ 6,072
Fair Value Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Recognized in Income on Derivative	$ 0	$ 0	$ (6,072)

The amount of gain recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References+ Details

The amount of loss recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References+ Details