Organization and Business Exploration Expenses (Details) (USD $)	1 Months Ended		3 Months Ended		1 Months Ended	6 Months Ended		15 Months Ended
	Nov. 30, 2012	Oct. 31, 2012	Sep. 30, 2012	Sep. 30, 2011	Oct. 31, 2012 Tuscaloosa Marine Shale [Member]	Sep. 30, 2012 Tuscaloosa Marine Shale [Member] acre	Sep. 30, 2012 Kaybob Duvernay [Member]	Jun. 30, 2012 Kaybob Duvernay [Member] Alta Energy [Member]
Organization and Business [Line Items]
Results of Operations, Dry Hole Costs	$ 4,300,000	$ 33,900,000	$ 43,700,000
Payments to Explore and Develop Oil and Gas Properties			17,205,000	11,476,000	4,300,000	8,800,000		12,300,000
Percentage Investment in Project							5.00%
Gas and Oil Area, Undeveloped, Net						24,000
Equity Method Investments			33,800,000
Impairment of Ongoing Project			$ 8,400,000