Fair Value Measurements - Recurring Basis (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of mortgage and other indebtedness		$ 2,059,094	$ 1,091,745
Estimated fair value of liabilities subject to compromise			1,606,959
Available-for-sale securities, amortized cost		149,999	233,053
Available-For-Sale Securities Held, Fair Value	[1]	149,996	233,071
U.S Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale securities, amortized cost		149,999	233,053
Available-For-Sale Securities Held, unrealized gains/(losses)		(3)	18
Available-For-Sale Securities Held, Fair Value		$ 149,996	$ 233,071
U.S. Treasury securities, maturity date		Feb. 28, 2022

[1] As of December 31, 2021, includes $262,265 of assets related to consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities and $143,593 of liabilities of consolidated variable interest entities for which creditors do not have recourse to the general credit of the Company. See Note 12.