Notes Receivable, Net - Additional Information (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
		Jul. 12, 2021	Sep. 30, 2022	Dec. 31, 2023		Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Decrease in allowance for credit loss						$ 4,900
Notes receivable	[1]			$ 126,228
OP Units in settlement of note receivable		21,109
Settlement amount of note receivable in OP units		$ 500
Note receivable accrued interest				25,553		18,082
Notes receivable, net				124,949		123,903
Credit loss reserve				$ 1,279	[1]	898		$ 5,752	$ 1,218
Interest Rate				6.50%
Aggregate loans				$ 124,949	[1]	123,903
Core Note
Accounts Notes And Loans Receivable [Line Items]
Notes receivable modified, subsequent payment default				$ 21,600		21,600
Core Note Two
Accounts Notes And Loans Receivable [Line Items]
Notes receivable						$ 54,000
Notes receivable maturity date				Jan. 09, 2024		Jan. 13, 2023
Maximum
Accounts Notes And Loans Receivable [Line Items]
Maturity Date	[2]			2027-12
Interest Rate	[2]			10.00%
Minimum
Accounts Notes And Loans Receivable [Line Items]
Maturity Date	[2]			2020-04
Interest Rate	[2]			4.65%
Core Portfolio
Accounts Notes And Loans Receivable [Line Items]
Notes receivable	[2]			$ 126,228		$ 124,801
Note receivable accrued interest			$ 5,700
Notes receivable, net						13,500	$ 16,000
Aggregate loans				124,949
Core Portfolio | 840 N. Michigan Avenue
Accounts Notes And Loans Receivable [Line Items]
Notes receivable, net				1,400
Structured Financing
Accounts Notes And Loans Receivable [Line Items]
Note receivable accrued interest				4,100
Loans amortized cost				0
Aggregate loans				27,900
Structured Financing | Non-Collateral Dependent Loans
Accounts Notes And Loans Receivable [Line Items]
Note receivable accrued interest				18,600
Credit loss reserve				1,300
Loans amortized cost				$ 121,100
Fund III
Accounts Notes And Loans Receivable [Line Items]
Increase in allowance for credit loss						4,600
venture partner's interest obtained						5,300
Equity method investment, ownership percentage				100.00%
Note receivable accrued interest						4,700
Credit loss reserve						$ 4,600

[1] The aggregate carrying amount of notes receivable included above for Federal income tax purposes was approximately $126.2 million as of December 31, 2023.

[2] Includes one note receivable from an OP Unit holder, with a balance of $6.0 million at December 31, 2023 and 2022.