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Investment in Real Estate - Investment in Real Estate (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Real Estate Properties [Line Items]    
Land $ 1,172,907 $ 1,150,821
Buildings and improvements 9,775,617 9,344,087
Tenant improvements and lease intangibles 954,257 935,639
Property under development 325,391 388,530
Investment in real estate, gross 12,228,172 $ 11,819,077
Building Improvements    
Real Estate Properties [Line Items]    
Property under development balances transferred to Building and improvements for real estate placed into service $ 94,700