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Investments in Properties (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Investments in Properties    
Land $ 1,098,238 $ 1,087,278
Acquired ground lease 89 91
Buildings and improvements 25,179,025 25,388,788
Tenant improvements 845,444 830,211
Total investments in operating properties 27,122,796 27,306,368
Accumulated depreciation and amortization (7,976,093) (7,823,685)
Investments in operating properties, net 19,146,703 19,482,683
Construction in progress and space held for development 4,496,840 4,635,215
Land held for future development 114,240 118,190
Investments in properties, net $ 23,757,783 $ 24,236,088