Additional Balance Sheet Detail

3 Months Ended

Mar. 31, 2016

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
	March 31,		December 31,
	2016		2015
Other current assets:
Tubular inventory and well materials	$	2,214	$	2,878
Prepaid expenses	2,274		4,184
Other	7		42
	$	4,495	$	7,104
Other assets:
Assets of supplemental employee retirement plan (“SERP”)	$	4,154	$	4,123
Deferred issuance costs of the Revolver	1,347		1,572
Other	2,602		2,655
	$	8,103	$	8,350
Accounts payable and accrued liabilities:
Trade accounts payable	$	17,847	$	11,603
Drilling costs	3,086		12,074
Royalties and revenue – related	31,063		39,119
Compensation – related	9,925		9,904
Interest	38,102		15,531
Other	10,330		15,294
	$	110,353	$	103,525
Other liabilities:
Deferred gains on sales of assets	$	81,831	$	82,943
Firm transportation obligation	10,361		10,705
Asset retirement obligations (“AROs”)	2,677		2,621
Defined benefit pension obligations	1,100		1,129
Postretirement health care benefit obligations	755		731
Compensation – related	714		1,447
Deferred compensation – SERP obligations and other	4,521		4,434
Other	921		928
	$	102,880	$	104,938