Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows From Operating Activities:
Net loss	$ (84,049)	$ (43,598)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	75,048	43,854
Amortization of debt issuance costs and discounts	1,335	2,328
Loss on sale or disposal of assets	6,502	624
Loss on derivatives	1	286
Deferred income tax benefit	(49,957)	(27,040)
Equity-based compensation	29,590	1,853
Changes in assets and liabilities:
Accounts receivable	(5,443)	(1,892)
Inventories	(7,451)	(4,743)
Prepaid expenses and other current assets	(2,884)	(2,213)
Accounts payable	8,760	9,019
Accrued salaries, wages and benefits	5,024	(3,348)
Deferred revenue	54,271	52,401
Other accrued expenses	866	10,113
Other assets and liabilities	618	38
Net cash provided by operating activities	32,231	37,682
Cash Flows From Investing Activities:
Capital expenditures	(47,846)	(40,673)
Change in restricted cash	344	(280)
Net cash used in investing activities	(47,502)	(40,953)
Cash Flows From Financing Activities:
Repayment of long-term debt	(4,212)	(3,513)
Proceeds from draw on revolving credit facility	60,000	45,000
Repayment of revolving credit facility		(15,000)
Dividends paid to stockholders	(17,674)	(18,098)
Payment of tax withholdings on equity-based compensation through shares withheld	(334)	(5)
Exercise of stock options	12
Purchase of treasury stock		(5,650)
Net cash provided by financing activities	37,792	2,734
Change in Cash and Cash Equivalents	22,521	(537)
Cash and Cash Equivalents—Beginning of period	18,971	43,906
Cash and Cash Equivalents—End of period	41,492	43,369
Supplemental Disclosures of Noncash Investing and Financing Activities
Capital expenditures in accounts payable	41,567	24,437
Dividends declared, but unpaid	$ 21,807	$ 18,373