Financial Reporting by Business Segments - Internal Financial Reports (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Total revenues	$ 292,249	$ 264,724	$ 914,553	$ 839,544
Depreciation and amortization	30,994	28,546	89,655	83,862
Preopening costs	(300)	(877)	(3,972)	(1,587)
Impairment and other charges	(4,540)		(4,540)
Operating income	40,100	37,510	162,743	149,129
Interest expense	(19,220)	(16,621)	(55,574)	(49,640)
Interest income	2,678	2,957	8,197	8,874
Loss from joint ventures	(985)	(899)	(2,227)	(2,616)
Other gains and (losses), net	1,881	1,453	2,085	57
Income before income taxes	24,454	24,400	115,224	105,804
Hospitality [Member]
Segment Reporting Information [Line Items]
Total revenues	249,240	229,590	806,107	747,117
Depreciation and amortization	27,946	26,061	81,379	76,786
Operating income	43,518	36,298	175,213	149,788
Entertainment [Member]
Segment Reporting Information [Line Items]
Total revenues	43,009	35,134	108,446	92,427
Depreciation and amortization	2,613	1,965	6,885	5,465
Operating income	9,069	10,518	20,614	25,325
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	435	520	1,391	1,611
Operating income	$ (7,647)	$ (8,429)	$ (24,572)	$ (24,397)