Emergence from Chapter 11 and Fresh Start Accounting - Fresh-Start Adjustments (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2016	Dec. 23, 2016	Dec. 31, 2015
Reorganization Adjustments
Current assets:
Cash and cash equivalents	$ 71,567
Restricted Cash	(5,962)
Trade accounts receivable, net of allowance of $1,858	0
Accounts receivable - related parties	0
Income tax receivable	0
Inventories	0
Prepaid expenses	0
Other current assets	0
Total current assets	65,605
Property and equipment, net	0
Deferred debt costs, net of amortization	66
Other intangible assets, net of amortization	0
Other assets	0
Total assets	65,671
Current liabilities:
Accounts payable	27
Accrued expenses	(13,879)
Current portion of long-term debt	(36,740)
Other current liabilities	0
Total current liabilities	(50,592)
Long-term debt	162,525
Deferred tax liabilities	0
Other long-term liabilities	0
Total liabilities not subject to compromise	111,933
Liabilities subject to compromise	(979,437)
Total liabilities	(867,504)
Stockholders' equity:
Retained deficit	518,767
Total stockholders' equity	933,175
Total liabilities and stockholder's equity	65,671
Fresh Start Adjustments
Current assets:
Cash and cash equivalents	0
Restricted Cash	0
Trade accounts receivable, net of allowance of $1,858	0
Accounts receivable - related parties	0
Income tax receivable	0
Inventories	0
Prepaid expenses	0
Other current assets	(6,503)
Total current assets	(6,503)
Property and equipment, net	(178,391)
Deferred debt costs, net of amortization	(1,315)
Other intangible assets, net of amortization	(53,769)
Other assets	0
Total assets	(239,978)
Current liabilities:
Accounts payable	0
Accrued expenses	152
Current portion of long-term debt	(1,657)
Other current liabilities	0
Total current liabilities	(1,505)
Long-term debt	(17,343)
Deferred tax liabilities	(663)
Other long-term liabilities	0
Total liabilities not subject to compromise	(19,511)
Liabilities subject to compromise	0
Total liabilities	(19,511)
Stockholders' equity:
Retained deficit	159,718
Total stockholders' equity	(220,467)
Total liabilities and stockholder's equity	(239,978)
Predecessor
Current assets:
Cash and cash equivalents	27,308
Restricted Cash	8,391
Trade accounts receivable	108,655
Accounts receivable - related parties	31
Income tax receivable	1,271
Inventories	35,691
Prepaid expenses	15,575
Other current assets	8,506
Total current assets	205,428
Property and equipment, net	667,239
Deferred debt costs, net of amortization	1,249
Other intangible assets, net of amortization	57,227
Other assets	11,324
Total assets	942,467
Current liabilities:
Accounts payable	47,932
Accrued expenses	65,056
Current portion of long-term debt	76,865
Other current liabilities	2,065
Total current liabilities	191,918
Long-term debt	39,570
Deferred tax liabilities	663
Other long-term liabilities	29,179
Total liabilities not subject to compromise	261,330
Liabilities subject to compromise	979,437
Total liabilities	1,240,767
Stockholders' equity:
Common stock	435
Paid-in capital	387,269
Treasury stock	(7,519)
Retained deficit	(678,485)
Total stockholders' equity	(298,300)
Total liabilities and stockholder's equity	$ 942,467
Other Fresh-Start Adjustment Disclosures [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Preferred stock, par value (in dollars per share)	$ 0.01		$ 0.01
Predecessor | Reorganization Adjustments
Stockholders' equity:
Common stock	$ (435)
Paid-in capital	0
Treasury stock	7,519
Predecessor | Fresh Start Adjustments
Stockholders' equity:
Common stock	0
Paid-in capital	(387,269)
Treasury stock	0
Successor
Current assets:
Cash and cash equivalents	98,875
Restricted Cash	2,429
Trade accounts receivable	108,655
Accounts receivable - related parties	31
Income tax receivable	1,271
Inventories	35,691
Prepaid expenses	15,575
Other current assets	2,003
Total current assets	264,530
Property and equipment, net	488,848
Deferred debt costs, net of amortization	0
Other intangible assets, net of amortization	3,458
Other assets	11,324
Total assets	768,160
Current liabilities:
Accounts payable	47,959
Accrued expenses	51,329
Current portion of long-term debt	38,468
Other current liabilities	2,065
Total current liabilities	139,821
Long-term debt	184,752
Deferred tax liabilities	0
Other long-term liabilities	29,179
Total liabilities not subject to compromise	353,752
Commitments and contingencies	0
Total liabilities	353,752
Stockholders' equity:
Preferred stock	0
Common stock	261
Paid-in capital	417,624
Retained deficit	0
Successor treasury stock	(3,477)
Total stockholders' equity	414,408
Total liabilities and stockholder's equity	$ 768,160
Other Fresh-Start Adjustment Disclosures [Abstract]
Common stock, par value (in dollars per share)	$ 0.01
Preferred stock, par value (in dollars per share)	$ 0.01
Successor | Reorganization Adjustments
Stockholders' equity:
Common stock	$ 261
Paid-in capital	410,540
Treasury stock	(3,477)
Preferred stock	0
Successor | Fresh Start Adjustments
Stockholders' equity:
Common stock	0
Paid-in capital	7,084
Treasury stock	0
Preferred stock	$ 0