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Variable Interest Entities - Additional Information (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Property
Jun. 30, 2018
USD ($)
Property
Jun. 30, 2019
USD ($)
Property
Jun. 30, 2018
USD ($)
Property
Variable Interest Entity [Line Items]        
Equity in Income (Loss) of Joint Venture $ 15,516 $ (2) $ 16,360 $ (2)
Joint Venture        
Variable Interest Entity [Line Items]        
Number of Acres | Property 532   532  
Purchase price     $ 49,000  
Equity Method Investment, Ownership Percentage 49.00%   49.00%  
Proceeds from Sale of Equity Method Investments     $ 57,178 3,973
Equity Method Investment, Realized Gain (Loss) on Disposal $ 3,121   14,816  
Net Income of Joint Venture     $ 30,148 $ 154
Equity in Income (Loss) of Joint Venture $ 4,900      
Disposition Activity | Joint Venture        
Variable Interest Entity [Line Items]        
Number of Acres | Property 236 21 236 21
Number of Land Parcels | Property 3 1 3 1
Equity Method Investment, Realized Gain (Loss) on Disposal     $ 30,236 $ 181
Acquisition Activity        
Variable Interest Entity [Line Items]        
Purchase price     $ 48,582  
Number of Land Parcels | Property 4   4  
Acquisition Activity | Joint Venture        
Variable Interest Entity [Line Items]        
Number of Acres | Property 39   39  
Number of Land Parcels | Property 1   1