Acquisition and Disposition of Properties (Tables)

9 Months Ended

Sep. 30, 2016

Business Combinations [Abstract]

Schedule of Assets and Liabilities Held-for-sale

Summarized below are the consolidated results of operations for the three months and nine months ended September 30, 2016 and 2015, on an unaudited pro forma basis which gives effect to the series of asset sales in the Permian Basin and in the San Juan Basin as if they had occurred at the beginning of the earliest period presented. The pro forma financial information does not purport to be indicative of results of operations that would have occurred had the transaction occurred on the basis assumed above nor are they indicative of results of the future operations of the enterprises.

	Three months ended						Nine months ended
	September 30,						September 30,
(in thousands, except per share data)	2016			2015			2016			2015
Total revenues	$	182,223		$	275,813		$	388,603		$	597,253
Net loss	$	(5,899	)	$	(219,605	)	$	(252,664	)	$	(354,409	)
Diluted earnings per average common share	$	(0.06	)	$	(2.79	)	$	(2.70	)	$	(4.72	)
Basic earnings per average common share	$	(0.06	)	$	(2.79	)	$	(2.70	)	$	(4.72	)

The following table details held for sale properties by major classes of assets and liabilities. These property sales do not qualify as discontinued operations:

(in thousands)	December 31, 2015
	San Juan Basin
Inventories	$	3,651
Oil and natural gas properties	305,386
Less accumulated depreciation, depletion and amortization	(219,059		)
Other property and equipment, net	3,761
Total assets held for sale	93,739
Other long-term liabilities	(12,789		)
Total liabilities held for sale	(12,789		)
Total net assets held for sale	$	80,950