Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net revenues:
Net revenues	$ 1,348,530	$ 1,321,967	$ 1,288,721
Costs and expenses:
Cost of food, merchandise and games revenues	114,733	110,811	106,608
Operating expenses	584,350	558,102	538,881
Selling, general and administrative	193,333	193,770	181,830
Depreciation and amortization	155,529	153,222	131,876
Loss on impairment / retirement of fixed assets, net	10,178	12,728	12,587
Gain on sale of investment	(112)	(1,877)	0
Total costs and expenses	1,058,011	1,026,756	971,782
Operating income	290,519	295,211	316,939
Interest expense	85,687	85,603	83,863
Net effect of swaps	7,442	(45)	(1,197)
Loss on early debt extinguishment	1,073	23,121	0
(Gain) loss on foreign currency	36,254	(29,086)	(14,656)
Other income	(1,333)	(970)	(177)
Income before taxes	161,396	216,588	249,106
Provision for taxes	34,743	1,112	71,418
Net income	126,653	215,476	177,688
Net income allocated to general partner	1	2	2
Net income allocated to limited partners	126,652	215,474	177,686
Other comprehensive income (loss), (net of tax):
Foreign currency translation adjustment	17,240	(14,849)	(3,700)
Cash flow hedging derivative activity	8,366	7,975	3,350
Net other comprehensive income (loss)	25,606	(6,874)	(350)
Total comprehensive income	$ 152,259	$ 208,602	$ 177,338
Basic earnings per limited partner unit:
Weighted average limited partner units outstanding (in shares)	56,212	56,061	55,933
Net income (loss) per limited partner unit - basic (in dollars per share)	$ 2.25	$ 3.84	$ 3.18
Diluted earnings per limited partner unit:
Weighted average limited partner units outstanding (in shares)	56,860	56,800	56,562
Net income (loss) per limited partner unit - diluted (in dollars per share)	$ 2.23	$ 3.79	$ 3.14
Admission [Member]
Net revenues:
Net revenues	$ 737,676	$ 734,060	$ 716,189
Food, Merchandise and Gaming [Member]
Net revenues:
Net revenues	433,315	422,469	407,673
Accommodations, Extra-Charge Products and Other [Member]
Net revenues:
Net revenues	$ 177,539	$ 165,438	$ 164,859