Current report filing

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

v2.4.0.8
Hedging Activities (Schedule Of Cash Flow Hedges) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
General Discussion of Derivative Instruments and Hedging Activities [Abstract]        
(Reduction) addition to oil and condensate sales $ (2,957) $ 100 $ (1,517) $ (4,720)