Business Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) segment	Jun. 30, 2016 USD ($)
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Number of reportable segments | segment			1
Segment Reconciliation [Abstract]
Net income	$ 71,631	$ 80,100	$ 14,083	$ 33,165
Interest expense, net	27,156	20,190	48,157	39,648
Income tax expense (benefit)	36,054	41,059	(1,537)	17,199
Depreciation and amortization	26,822	25,924	54,113	51,952
Corporate expenses	11,448	13,648	26,490	27,692
Stock-based Compensation Expense	(15,305)	4,244	(3,315)	6,250
Loss on disposal of assets	1,657	597	2,327	114
Loss on debt extinguishment	(37,109)	(2,377)	(37,109)	(2,377)
Other expense (income), net	568	(8)	(335)	691
Park EBITDA	$ 197,140	$ 188,131	$ 177,092	$ 179,088