Additional Balance Sheet Detail (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Components of Selected Balance Sheet Accounts

The following table summarizes components of selected balance sheet accounts as of the dates presented:

	As of
	September 30,		December 31,
	2015		2014
Other current assets:
Tubular inventory and well materials	$	2,925	$	5,802
Prepaid expenses	3,614		4,215
Other	763		97
	$	7,302	$	10,114
Other assets:
Assets of supplemental employee retirement plan (“SERP”)	$	4,014	$	4,123
Deferred issuance costs of the Revolver	1,796		1,623
Other	26		95
	$	5,836	$	5,841
Accounts payable and accrued liabilities:
Trade accounts payable	$	24,768	$	122,994
Drilling and other lease operating costs	26,643		68,842
Royalties and revenue – related	52,062		78,359
Compensation – related	12,853		9,197
Interest	37,438		15,555
Preferred stock dividends	—		6,067
Other	8,144		11,213
	$	161,908	$	312,227
Other liabilities:
Deferred gains on sales of assets	$	82,944	$	90,569
Firm transportation obligation	11,068		12,042
Asset retirement obligations	2,570		5,889
Defined benefit pension obligations	1,508		1,753
Postretirement health care benefit obligations	965		890
Compensation – related	1,150		7,631
Deferred compensation – SERP obligations and other	4,020		4,183
Other	1,012		929
	$	105,237	$	123,886