Property and Equipment, net - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Buildings and improvements	$ 7,707,467	$ 7,582,611
Land and improvements	1,141,032	853,738
Furniture, fixtures and equipment	2,288,370	2,211,974
Leasehold interests in land	313,516	314,068
Airplanes	110,623	158,840
Construction in progress	1,912,801	1,016,207
Property and equipment, gross	13,473,809	12,137,438
Less: accumulated depreciation	(4,087,889)	(3,638,682)
Property and equipment, net	$ 9,385,920	$ 8,498,756