Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross	$ 2,493,580	$ 2,437,382
Less accumulated depreciation and amortization	(596,339)	(520,996)
Property and equipment, net	$ 1,897,241	1,916,386	$ 1,772,166
Minimum
Property Plant And Equipment Net By Type [Abstract]
Useful life	1 year
Land
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross	$ 116,517	105,203
Buildings and improvements
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross	$ 1,853,409	1,830,736
Buildings and improvements | Minimum
Property Plant And Equipment Net By Type [Abstract]
Useful life	2 years
Buildings and improvements | Maximum
Property Plant And Equipment Net By Type [Abstract]
Useful life	50 years
Leasehold improvements
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross	$ 270,760	268,781
Leasehold improvements | Minimum
Property Plant And Equipment Net By Type [Abstract]
Useful life	1 year
Leasehold improvements | Maximum
Property Plant And Equipment Net By Type [Abstract]
Useful life	29 years
Equipment
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross	$ 186,095	175,908
Equipment | Minimum
Property Plant And Equipment Net By Type [Abstract]
Useful life	3 years
Equipment | Maximum
Property Plant And Equipment Net By Type [Abstract]
Useful life	10 years
Furniture, fixtures and computer software
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross	$ 52,225	47,417
Furniture, fixtures and computer software | Maximum
Property Plant And Equipment Net By Type [Abstract]
Useful life	7 years
Facility construction in progress
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross	$ 14,574	$ 9,337