Additional Balance Sheet Detail

9 Months Ended

Sep. 30, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Additional Balance Sheet Detail

Additional Balance Sheet Detail

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

	As of
	September 30,		December 31,
	2014		2013
Other current assets:
Tubular inventory and well materials	$	3,946	$	2,271
Prepaid expenses	2,905		3,653
Other	100		—
	$	6,951	$	5,924
Other assets:
Debt issuance costs	$	27,277	$	30,239
Assets of supplemental employee retirement plan (“SERP”)	4,021		3,734
Other	562		562
	$	31,860	$	34,535
Accounts payable and accrued liabilities:
Trade accounts payable	$	105,888	$	120,278
Drilling and other lease operating costs	56,585		51,529
Royalties	46,672		39,929
Compensation – related	10,947		8,584
Interest	37,417		15,718
Preferred stock dividends	7,638		1,725
Other	11,446		10,241
	$	276,593	$	248,004
Other liabilities:
Deferred gains on sale of assets	$	90,675	$	—
Firm transportation obligation	12,352		13,245
Asset retirement obligations (“AROs”)	5,808		6,437
Defined benefit pension obligations	1,461		1,579
Postretirement health care benefit obligations	1,154		1,023
Deferred compensation – SERP obligations and other	4,130		3,883
Other	10,066		7,219
	$	125,646	$	33,386