COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended							0 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Gathering, transportation and sales North Dakota item	Mar. 31, 2014 Gathering, transportation and sales North Dakota Minimum	Mar. 31, 2014 Gathering, transportation and sales North Dakota Maximum	Mar. 31, 2014 Transportation East Texas item	Mar. 31, 2014 Gathering East Texas item	Feb. 28, 2014 Agreement Seller Tuscaloosa Marine Shale	Mar. 31, 2014 Agreement Seller Tuscaloosa Marine Shale	Dec. 20, 2013 Agreement Seller Tuscaloosa Marine Shale acre	Dec. 20, 2013 Agreement Seller Tuscaloosa Marine Shale Maximum
COMMITMENTS AND CONTINGENCIES
Rent expense	$ 1,900,000	$ 2,500,000
Non-cancelable termination penalties	42,300,000
Total Obligation Amount
Drilling rig commitments	79,700,000
Office and equipment lease agreements amount	66,600,000
Commitments and contingencies
Number of long-term crude oil sales contracts to which the entity is committed			9
Number of long-term natural gas sales contracts to which the entity is committed			2			1	1
Period of commitment for production from the date of first production				5 years	10 years	5 years	5 years
Amount to be funded											189,400,000
Net acres exchanged for funding by entity										117,870
Carry Amount paid	62,500,000							62,500,000
Percentage of working interest in the Carry Wells to be received									5.00%
Commitment capped through December 31, 2014									$ 120,000,000