Quarterly report pursuant to Section 13 or 15(d)

Hedging Activities (Schedule Of Cash Flow Hedges) (Details)

v2.4.0.6
Hedging Activities (Schedule Of Cash Flow Hedges) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
General Discussion of Derivative Instruments and Hedging Activities [Abstract]    
(Reduction) addition to oil and condensate sales $ (2,957) $ 100