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Investment in Real Estate - Investment in Real Estate (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Real Estate [Abstract]    
Land $ 1,397,711 $ 1,397,714
Building and improvements 6,361,773 6,342,851
Tenant improvements 894,939 868,193
Furniture and fixtures 9,730 9,639
Property under development 126,182 98,175
INVESTMENT IN REAL ESTATE, AT COST $ 8,790,335 $ 8,716,572