Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 59,521	$ 26,297
Accounts and notes receivable, net of allowance for doubtful accounts of $2,497 and $2,079 as of September 30, 2016 and December 31, 2015, respectively	73,140	72,009
Inventory, net	11,151	10,675
Restricted cash	35,802	31,565
Current portion of deferred tax asset, net		16,300
Prepaid expenses, deferred costs, and other current assets	64,039	56,678
Total current assets	243,653	213,524
Property and equipment, net of accumulated depreciation of $398,630 and $360,722 as of September 30, 2016 and December 31, 2015, respectively	374,820	375,488
Intangible assets, net	128,743	150,780
Goodwill	537,334	548,936
Deferred tax asset, net	8,612	11,950
Prepaid expenses, deferred costs, and other noncurrent assets	19,964	19,257
Total assets	1,313,126	1,319,935
Current liabilities:
Current portion of other long-term liabilities	32,970	32,732
Accounts payable	35,329	25,850
Accrued liabilities	244,560	219,058
Total current liabilities	312,859	277,640
Long-term liabilities:
Long-term debt	485,647	568,331
Asset retirement obligations	47,196	51,685
Deferred tax liability, net	13,088	21,829
Other long-term liabilities	47,708	30,657
Total liabilities	906,498	950,142
Commitments and contingencies (See Note 13)
Stockholders' equity:
Common stock, $0.01 par value, 45,300,164 shares issued and outstanding as of September 30, 2016; $0.0001 par value; 125,000,000 shares authorized; 52,129,395 shares issued and 44,953,620 shares outstanding as of December 31, 2015 (See Note 5)	453	5
Additional paid-in capital (See Note 5)	304,941	374,564
Accumulated other comprehensive loss, net	(126,383)	(88,126)
Retained earnings	227,687	185,897
Treasury stock: 7,175,775 shares at cost as of December 31, 2015 (See Note 5)		(102,566)
Total parent stockholders' equity	406,698	369,774
Noncontrolling interests	(70)	19
Total stockholders' equity	406,628	369,793
Total liabilities and stockholders' equity	$ 1,313,126	$ 1,319,935