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 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
General Discussion of Derivative Instruments and Hedging Activities [Abstract]        
Reduction to oil and condensate sales $ (561) $ (1,164) $ (461) $ (2,011)