INVESTMENT IN OIL AND GAS PROPERTIES (Details) (USD $)				3 Months Ended					0 Months Ended					3 Months Ended	1 Months Ended	3 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Nov. 20, 2012 Tullow Guinea Ltd	Sep. 30, 2014 Guinea concession bbl	Jun. 30, 2014 Guinea concession	Sep. 21, 2013 Guinea concession	Dec. 31, 2012 Guinea concession	Dec. 30, 2012 Guinea concession	Sep. 21, 2013 Guinea concession Tullow Guinea Ltd	Dec. 31, 2012 Guinea concession Tullow Guinea Ltd	Sep. 30, 2014 Guinea concession Dana	Dec. 31, 2012 Guinea concession Dana	Sep. 30, 2014 Guinea concession Tullow Guinea Ltd	Sep. 30, 2014 Guinea concession Minimum	Dec. 31, 2012 Guinea concession Minimum Tullow Guinea Ltd m	Sep. 30, 2014 Guinea concession Maximum
Investments in oil and gas properties
Ownership interest in Guinea Concession (as a percent)				37.00%		37.00%	37.00%	77.00%			23.00%	23.00%	40.00%
Reserves				0
Oil and Gas Properties:
Unproved properties not subject to amortization	$ 14,287,000	$ 14,259,000		$ 14,287,000	$ 14,259,000
Period over which evaluation activities of unproved properties are expected to be completed														1 year		3 years
Increase in property balance resulting from capitalized cost adjustment				28,000
Ownership interest sold (as a percent)										40.00%
Consideration of sale of interest in PSC										27,000,000
Depth of exploration well to be drilled															2,000
Gross expenditure for an ultra-deepwater exploration well to be paid by Tullow as additional consideration										100,000,000
Gross expenditure for an appraisal well to be paid by Tullow as additional consideration										100,000,000
Percentage of participating interest share of costs associated with the concession obligated to be paid			40.00%
Period through which additional consideration is to be paid by Tullow										90 days
Threshold gross expenditure cap for well to be paid by the entity									100,000,000	100,000,000
Transaction costs										$ 3,300,000