Long-Term Debt - Summary of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Jul. 23, 2015
Long-term debt
Long-term Debt	$ 823,168
Capital leases	543	$ 817
Less: Current portion	(4,545)	(4,524)
Long-term debt, noncurrent	795,881	861,713
Senior Notes
Long-term debt
Long-term debt, gross	375,000	375,000	$ 375,000
Less: Unamortized debt issuance costs	(8,141)	(8,957)
Long-term Debt	366,859	366,043
Term Loan
Long-term debt
Long-term debt, gross	418,625	422,875
Less: Unamortized discount and debt issuance costs	(12,578)	(14,465)
Long-term Debt	406,047	408,410
Revolving Credit Facility
Long-term debt
Long-term debt, gross	29,000	93,500
Less: Unamortized debt issuance costs	(2,023)	(2,533)
Long-term Debt	$ 26,977	$ 90,967

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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