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Properties, Net - Operating Properties, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Operating Properties, Net    
Operating properties, net $ 3,272,452 $ 3,246,806
Operating Properties    
Operating Properties, Net    
Less: Accumulated depreciation (1,434,621) (1,400,162)
Operating properties, net 3,272,452 3,246,806
Operating Properties | Land    
Operating Properties, Net    
Gross 488,371 482,964
Operating Properties | Buildings and improvements    
Operating Properties, Net    
Gross $ 4,218,702 $ 4,164,004