CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 6,761	$ 11,955
Accounts receivable, net of allowance for doubtful accounts	29,095	47,965
Derivative assets	0	97,956
Other current assets	3,028	7,104
Total current assets	38,884	164,980
Property and equipment, net	247,473	344,395
Other assets	5,329	8,350
Total assets	291,686	517,725
Current liabilities
Accounts payable and accrued liabilities	49,697	103,525
Derivative Liability, Current	12,932	0
Current portion of long-term debt, net of unamortized issuance costs	0	1,224,383
Total current liabilities	62,629	1,327,908
Other liabilities	4,072	104,938
Derivative Liability, Noncurrent	14,437	0
Deferred income taxes	0	0
Long-term debt	25,000	0
Commitments and contingencies (Note 16)
Shareholders’ equity (deficit):
Predecessor deferred compensation obligation	0	3,440
Total shareholders’ equity (deficit)	185,548	(915,121)
Total liabilities and shareholders’ equity (deficit)	291,686	517,725
Successor [Member]
Shareholders’ equity (deficit):
Predecessor preferred stock of $100 par value – 100,000 shares authorized; Series A – 3,915 shares issued as of December 31, 2015 and Series B – 27,551 shares issued as of December 31, 2015, each with a redemption value of $10,000 per share	0	0
Predecessor common stock of $0.01 par value – 228,000,000 shares authorized; 81,252,676 shares issued as of December 31, 2015	150	0
Predecessor paid-in capital	190,621	0
Predecessor accumulated other comprehensive income	73	0
Predecessor [Member]
Shareholders’ equity (deficit):
Predecessor preferred stock of $100 par value – 100,000 shares authorized; Series A – 3,915 shares issued as of December 31, 2015 and Series B – 27,551 shares issued as of December 31, 2015, each with a redemption value of $10,000 per share	0	3,146
Predecessor common stock of $0.01 par value – 228,000,000 shares authorized; 81,252,676 shares issued as of December 31, 2015	0	628
Predecessor paid-in capital	0	1,211,088
Accumulated deficit	(5,296)	(2,130,271)
Predecessor accumulated other comprehensive income	0	422
Predecessor treasury stock – 455,689 shares of common stock, at cost, as of December 31, 2015	$ 0	$ (3,574)