ORGANIZATION AND ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 item	Dec. 31, 2012	Dec. 31, 2011
Oil and Gas Properties
Discount rate applied to estimated future net revenues from proved oil and gas reserves (as a percent)	10.00%
Impairment charge	$ 0	$ 0	$ 0
Cash and Cash Equivalents
Number of financial institutions holding majority of the entity's cash and cash equivalents	1
Anadarko Energy Services
Revenue Recognition
Percentage of total oil and natural gas sold accounted for by the largest purchasers and marketers for the company's production		38.00%	38.00%
Devlar Energy
Revenue Recognition
Percentage of total oil and natural gas sold accounted for by the largest purchasers and marketers for the company's production	40.00%
Phillips 66
Revenue Recognition
Percentage of total oil and natural gas sold accounted for by the largest purchasers and marketers for the company's production	52.00%	55.00%	52.00%