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Fair Value Measurements - Recurring Basis (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of mortgage and other indebtedness		$ 1,854,171	$ 2,059,094
Available-for-sale securities, amortized cost		149,936	149,999
Available-For-Sale Securities Held, Fair Value	[1]	149,975	149,996
U.S Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale securities, amortized cost		149,936	149,999
Available-For-Sale Securities Held, unrealized gains/(losses)		39	(3)
Available-For-Sale Securities Held, Fair Value		$ 149,975	$ 149,996
U.S. Treasury securities, maturity date		May 31, 2022
[1] As of March 31, 2022, includes $254,237 of assets related to consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities and $142,132 of liabilities of consolidated variable interest entities for which creditors do not have recourse to the general credit of the Company. See Note 7.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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