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PROPERTY AND EQUIPMENT (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 512,090 $ 486,451
Less accumulated depreciation (271,372) (253,009)
Less accumulated lease amortization (11,435) (8,280)
Property and equipment, net 229,283 225,162
Land and Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 48,264 48,410
Buildings and Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 258,668 245,188
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 106,797 96,715
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 45,450 43,236
Buildings Under Lease [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 51,994 36,756
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 917 $ 16,146