Investments in Unconsolidated Entities and International Investments - European Investments (Details) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) property $ / shares shares	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) property $ / shares shares	Jun. 30, 2023 USD ($)	Dec. 31, 2023 property
Investment in Unconsolidated Entities
Total revenue	$ 1,458,266	$ 1,369,601	$ 2,900,856	$ 2,720,450
Operating income (loss) before other items	754,101	657,925	1,489,281	1,320,648
Consolidated net income (loss)	569,435	557,505	1,410,591	1,076,760
Disposed by Sales | Shopping centers | Klepierre | Unconsolidated properties
Investment in Unconsolidated Entities
Gain (loss) on disposition of interest in properties	$ (3,300)	(9,300)	$ (3,300)	(9,300)
European Joint Venture | Designer Outlet properties
Investment in Unconsolidated Entities
Number of properties | property	12		12		12
European Joint Venture | Designer Outlet properties | Minimum
Investment in Unconsolidated Entities
Ownership interest (as a percent)	23.00%		23.00%
European Joint Venture | Designer Outlet properties | Maximum
Investment in Unconsolidated Entities
Ownership interest (as a percent)	94.00%		94.00%
European Property Management and Development | Designer Outlet properties
Investment in Unconsolidated Entities
Ownership interest (as a percent)	50.00%		50.00%
Europe | Klepierre
Investment in Unconsolidated Entities
Total revenue	$ 360,039	351,419	$ 690,645	673,976
Operating income (loss) before other items	194,904	214,117	323,501	319,425
Consolidated net income (loss)	90,986	91,580	194,547	174,300
Our Share of Net Income	23,343	9,996	42,256	27,854
Amortization of excess investment	$ (5,272)	$ (3,301)	$ (8,548)	$ (6,554)
Europe | Designer Outlet properties
Investment in Unconsolidated Entities
Number of properties consolidated by entity | property	8		8
Europe | Klepierre
Investment in Unconsolidated Entities
Shares owned | shares	63,924,148		63,924,148
Ownership interest (as a percent)	22.40%		22.40%
Quoted market price per share (in dollars per share) | $ / shares	$ 26.77		$ 26.77