Unconsolidated Entities - Summary of Operating Information and Financial Position of Unconsolidated Co-investment Ventures (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Deferred gain recognized from contribution of property to a venture	$ 520.0	$ 534.9
Additional costs associated with investment in a venture	80.2	91.7
Related Party [Member]
Schedule of Equity Method Investments [Line Items]
Receivables from unconsolidated co-investment ventures	$ 186.2	$ 199.9