Investments in Unconsolidated Entities and International Investments - European Investments (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) property $ / shares shares	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) property
Investment in Unconsolidated Entities
Total revenue	$ 1,442,590	$ 1,350,849
Operating income (loss) before other items	735,180	662,723
Consolidated net income (loss)	$ 841,155	519,255
European Joint Venture | Designer Outlet properties
Investment in Unconsolidated Entities
Number of properties | property	12		12
European Joint Venture | Designer Outlet properties | Minimum
Investment in Unconsolidated Entities
Ownership interest (as a percent)	23.00%
European Joint Venture | Designer Outlet properties | Maximum
Investment in Unconsolidated Entities
Ownership interest (as a percent)	94.00%
European Property Management and Development | Designer Outlet properties
Investment in Unconsolidated Entities
Ownership interest (as a percent)	50.00%
Europe | Klepierre
Investment in Unconsolidated Entities
Total revenue	$ 330,606	322,557
Operating income (loss) before other items	128,597	105,308
Consolidated net income (loss)	103,561	82,719
Our Share of Net Income	18,913	17,858
Amortization of excess investment	$ (3,276)	$ (3,253)
Europe | Designer Outlet properties
Investment in Unconsolidated Entities
Number of properties consolidated by entity | property	8
Europe | Klepierre
Investment in Unconsolidated Entities
Shares owned | shares	63,924,148
Ownership interest (as a percent)	22.40%
Quoted market price per share (in dollars per share) | $ / shares	$ 25.90
Europe | Value Retail PLC
Investment in Unconsolidated Entities
Number of luxury outlets owned and operated | property	9
Number of outlets in which the entity has a minority direct ownership | property	3
Europe | Value Retail PLC | Deferred costs and other assets
Investment in Unconsolidated Entities
Value of equity instruments	$ 140,800		$ 140,800