v3.7.0.1
PROPERTY (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
PROPERTY      
Property owned, gross $ 3,707,910,000 $ 1,970,649,000  
Less-accumulated depreciation and amortization 786,084,000 578,687,000  
Property owned, net 2,921,826,000 1,391,962,000  
Property leased under capital leases:      
Property leased under capital leases, gross 120,238,000 14,381,000  
Less-accumulated amortization 6,205,000 4,415,000  
Property leased under capital leases, net 114,033,000 9,966,000  
Property including property leased under capital leases, net 3,035,859,000 1,401,928,000  
Depreciation expense 239,944,000 210,326,000 $ 194,930,000
Land      
PROPERTY      
Property owned, gross 147,678,000 47,899,000  
Buildings and improvements      
PROPERTY      
Property owned, gross $ 987,184,000 217,885,000  
Buildings and improvements | Minimum      
Property leased under capital leases:      
Estimated useful lives 5 years    
Buildings and improvements | Maximum      
Property leased under capital leases:      
Estimated useful lives 40 years    
Leasehold improvements      
PROPERTY      
Property owned, gross $ 1,074,115,000 775,322,000  
Leasehold improvements | Minimum      
Property leased under capital leases:      
Estimated useful lives 1 year    
Leasehold improvements | Maximum      
Property leased under capital leases:      
Estimated useful lives 20 years    
Furniture, fixtures and equipment      
PROPERTY      
Property owned, gross $ 1,498,933,000 $ 929,543,000  
Furniture, fixtures and equipment | Minimum      
Property leased under capital leases:      
Estimated useful lives 1 year    
Furniture, fixtures and equipment | Maximum      
Property leased under capital leases:      
Estimated useful lives 10 years