Quarterly report pursuant to Section 13 or 15(d)

Hedging Activities (Schedule Of Derivative Instruments In Statement Of Financial Position) (Details)

v2.4.0.8
Hedging Activities (Schedule Of Derivative Instruments In Statement Of Financial Position) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
General Discussion of Derivative Instruments and Hedging Activities [Abstract]    
Long-term derivative instruments - asset $ 784 $ 521
Short-term derivative instruments - liabilities 24,532 12,280
Long-term derivative instruments - liability $ 5,487 $ 11,366