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Subsequent Events (Details) (USD $)
Nov. 06, 2014
Swap [Member]
November 2014 - December 2014 [Member]
Argus Louisiana Light Sweet [Member]
Crude Oil [Member]
Subsequent Event [Member]
bbl
Nov. 06, 2014
Swap [Member]
January 2015 - December 2015 [Member]
Argus Louisiana Light Sweet [Member]
Crude Oil [Member]
Subsequent Event [Member]
bbl
Nov. 06, 2014
Swap [Member]
January 2015 - December 2015 [Member]
NYMEX West Texas Intermediate [Member]
Crude Oil [Member]
Subsequent Event [Member]
bbl
Nov. 06, 2014
Swap [Member]
February 2015 - January 2016 [Member]
ICE Brent [Member]
Crude Oil [Member]
Subsequent Event [Member]
bbl
Nov. 06, 2014
Swap [Member]
March 2015 - February 2016 [Member]
ICE Brent [Member]
Crude Oil [Member]
Subsequent Event [Member]
bbl
Sep. 30, 2014
Revolving Credit Facility [Member]
Nov. 02, 2013
Revolving Credit Facility [Member]
Nov. 06, 2014
Revolving Credit Facility [Member]
Subsequent Event [Member]
Subsequent Event [Line Items]                
Volume (Bbls) 183,000 1,095,000 1,825,000 640,000 91,000      
Fixed Swap Price 82.95 90.99 84.10 88.78 88.72      
Maximum borrowing capacity             $ 600,000,000 $ 750,000,000
Current borrowing base           $ 350,000,000   $ 500,000,000