Acquisitions and Divestitures Acquisition and Divestitures (Tables)

9 Months Ended

Sep. 30, 2013

Acquisitions and Divestitures [Abstract]

Business Acquisition, Purchase Price Allocation [Table Text Block]

The following table represents the preliminary fair values assigned to the net assets acquired as of the Date of Acquisition and the consideration transferred:

Assets
Oil and gas properties - proved	$	287,465
Oil and gas properties - unproved	124,232
Accounts receivable, net	50,726
Other assets	2,068
	464,491
Liabilities
Accounts payable and accrued expenses	(62,452		)
Other liabilities	(1,500		)
	(63,952		)
Net assets acquired	$	400,539
Cash, net of amounts received for preferential rights	$	358,239
Fair value of the Shares issued to MHR	42,300
Consideration transferred	$	400,539

Business Acquisition, Pro Forma Information [Table Text Block]

The results of operations attributable to the Acquisition have been included in our Condensed Consolidated Financial Statements from the Date of Acquisition. The following table presents unaudited summary pro forma financial information for the periods presented assuming the Acquisition and the related financing occurred as of January 1, 2012. The pro forma financial information does not purport to represent what our results of operations would have been if the Acquisition had occurred as of this date or the results of operations for any future periods.

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2013			2012			2013			2012
Total revenues	$	121,613		$	97,030		$	340,809		$	288,282
Net loss attributable to common shareholders	$	(99,190	)	$	(30,360	)	$	(139,181	)	$	(28,405	)
Loss per share - basic and diluted	$	(1.52	)	$	(0.54	)	$	(2.13	)	$	(0.51	)