Property, Plant And Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property, Plant And Equipment [Abstract]

Schedule Of Property, Plant And Equipment

		September 30,			September 30,
	December 31,
	2011			2010
	(In thousands)
Proved oil and gas properties	$	1,152,532		$	479,657
Less: Accumulated depreciation, depletion, amortization and impairment		(174,948	)		(98,821	)
Proved oil and gas properties, net		977,584			380,836
Unproved oil and gas properties		82,825			101,311
Other property and equipment		20,859			1,970
Less: Accumulated depreciation		(1,313	)		(434	)
Other property and equipment, net		19,546			1,536
Total property, plant and equipment, net	$	1,079,955		$	483,683