Commitments and Contingencies - Summary of Real Estate Development Commitments (Parenthetical) (Details) $ in Millions	Jun. 30, 2023 USD ($)
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	$ 345.0
Parent
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	109.7
Corporate Joint Venture
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	2.7
Construction Loans
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	$ 232.6