Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Components of Property and Equipment, Net (Details)

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Property and Equipment - Components of Property and Equipment, Net (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Less accumulated depreciation $ (737,250) $ (673,082)
Subtotal 1,238,528 1,130,220
Less assets held for sale (6,292) (9,694)
Property and equipment, net 1,232,236 1,120,526
Land    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 393,920 375,297
Building and improvements    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 1,109,311 1,028,016
Furniture, fixtures and equipment    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 415,999 365,222
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 56,548 34,767
Property, Plant and Equipment, Net, Excluding Capital Leased Assets    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 1,975,778 $ 1,803,302