Unconsolidated Entities - Summary of Investments in and Advances to our Unconsolidated Entities (Detail) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items]
Investments in and advances to unconsolidated entities		$ 8,610,958	$ 7,602,014
Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Investments in and advances to unconsolidated entities		7,825,455	6,685,567
Other Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Investments in and advances to unconsolidated entities	[1]	$ 785,503	$ 916,447

[1] In 2021, we acquired additional ownership interest in unconsolidated other ventures from our partners and began consolidating the real estate assets. We also sold our ownership interest in an unconsolidated other venture.