Real Estate - Schedule of Construction in Progress (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Real Estate [Line Items]
Construction in progress	$ 410,966	$ 319,683
Twinbrook Quarter
Real Estate [Line Items]
Construction in progress	297,104	227,672
Hampden House
Real Estate [Line Items]
Construction in progress	105,192	80,704
Other
Real Estate [Line Items]
Construction in progress	$ 8,670	$ 11,307