Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 34,338	$ 46,732
Restricted cash	28,677	0
Trade accounts receivable, net of allowance of $1,980 and $2,670, respectively	95,801	102,127
Accounts receivable - related parties	13	35
Income tax receivable	1,273	1,828
Inventories	34,529	36,944
Prepaid expenses	14,035	13,851
Other current assets	8,676	9,968
Total current assets	217,342	211,485
Property and equipment, net	713,817	846,290
Deferred debt costs, net of amortization	1,591	3,420
Intangible assets, net of amortization	59,232	66,745
Other assets	11,066	10,241
Total assets	1,003,048	1,138,181
Current liabilities:
Accounts payable	40,559	54,521
Accrued expenses	87,846	59,380
Current portion of long-term debt, net	954,812	48,651
Other current liabilities	3,311	7,003
Total current liabilities	1,086,528	169,555
Long-term debt, net	40,555	828,664
Deferred tax liabilities	663	5,066
Other long-term liabilities	27,568	28,558
Commitments and contingencies
Stockholders' (deficit) equity:
Preferred stock; $0.01 par value; 5,000,000 shares authorized; none designated or issued at September 30, 2016 and December 31, 2015	0	0
Common stock; $0.01 par value; 80,000,000 shares authorized; 43,500,032 shares issued and 42,757,664 shares outstanding at September 30, 2016; 43,500,032 shares issued and 42,196,680 shares outstanding at December 31, 2015	435	435
Additional paid-in capital	376,949	374,729
Retained deficit	(522,131)	(256,812)
Treasury stock, at cost, 742,368 and 1,303,352 shares at September 30, 2016 and December 31, 2015, respectively	(7,519)	(12,014)
Total stockholders' (deficit) equity	(152,266)	106,338
Total liabilities and stockholders' equity	$ 1,003,048	$ 1,138,181