Fair Value of Financial Instruments - Summary of Fair Value Information of Financial Instruments (Parenthetical) (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Mortgage loans	$ 309,315	$ 364,101
Investments in unconsolidated real estate joint ventures	1,474,455	1,497,903
Investments in unconsolidated operating entities	1,778,640	1,444,872
Shareholder Loan [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Mortgage loans	162,400	223,800
Investments in unconsolidated real estate joint ventures	323,800	315,900
Loans [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Investments in unconsolidated operating entities	526,900	640,400
Other loans	$ 289,600	$ 225,500