Real Estate - Schedule of Construction in Progress (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Real Estate [Line Items]
Construction in progress	$ 365,612	$ 319,683
Twinbrook Quarter
Real Estate [Line Items]
Construction in progress	263,903	227,672
Hampden House
Real Estate [Line Items]
Construction in progress	92,431	80,704
Other
Real Estate [Line Items]
Construction in progress	$ 9,278	$ 11,307