Unconsolidated Affiliates and Noncontrolling Interests - Narrative (Details) $ in Thousands	1 Months Ended		3 Months Ended
	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($) entity	Mar. 31, 2022 USD ($) entity	Mar. 31, 2021 USD ($)
Schedule Of Equity Method Investments [Line Items]
Number of entities - equity method of accounting (entity) | entity		27	27
Number of 50/50 joint ventures | entity		14	14
Gain on deconsolidation			$ 36,250	$ 55,131
Fair value carrying amount		$ 2,054,513	2,054,513
Subsequent Event
Schedule Of Equity Method Investments [Line Items]
Loan agreement term	10 years
Bullseye, LLC
Schedule Of Equity Method Investments [Line Items]
Gross proceeds from sale of property		10,500
Net profit from sale of property		629
Greenbrier Mall
Schedule Of Equity Method Investments [Line Items]
Loan outstanding balance		61,647	61,647
Gain on deconsolidation		$ 36,250
Shoppes at Eagle Point, LLC | Subsequent Event | Nonrecourse
Schedule Of Equity Method Investments [Line Items]
Fair value carrying amount	$ 40,000
Loan agreement term	10 years
York Town Center Holding, LP
Schedule Of Equity Method Investments [Line Items]
Loan agreement term		18 months
York Town Center Holding, LP | Nonrecourse | Mortgage Note Payable
Schedule Of Equity Method Investments [Line Items]
Fair value carrying amount		$ 30,000	$ 30,000
Loan agreement term		3 years
Debt Instrument, Interest Rate, Effective Percentage		4.75%	4.75%
Minimum
Schedule Of Equity Method Investments [Line Items]
Ownership interest in joint venture (as a percent)		20.00%	20.00%
Ownership in variable interest entity (as a percent)			50.00%
Maximum
Schedule Of Equity Method Investments [Line Items]
Ownership interest in joint venture (as a percent)		100.00%	100.00%
Ownership in variable interest entity (as a percent)			92.00%