Investments in Unconsolidated Entities and International Investments - Combined Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
REVENUE:
Lease income	$ 1,207,867	$ 1,145,058
Other income	60,468	69,597
Total revenue	1,295,922	1,239,951
EXPENSES:
Property operating	103,664	86,619
Depreciation and amortization	310,163	315,738
Real estate taxes	111,691	116,012
Repairs and maintenance	22,304	21,355
Advertising and promotion	25,263	29,486
Other	42,416	23,554
Total operating expenses	675,531	635,339
Operating Income Before Other Items	620,391	604,612
Interest expense	(185,159)	(202,016)
Net Income	488,310	510,460
Income from Unconsolidated Entities	81,184	15,069
Unconsolidated properties | Equity Method Investees excluding Klepierre and TRG and other platform investments
EXPENSES:
Third-Party Investors' Share of Net Income	104,657	68,141
Our Share of Net Income	106,205	67,450
Amortization of Excess Investment	(15,139)	(19,327)
Income from Unconsolidated Entities	91,066	48,123
Unconsolidated properties | Equity Method Investees excluding Klepierre and TRG and other platform investments
REVENUE:
Lease income	717,768	652,754
Other income	112,585	72,599
Total revenue	830,353	725,353
EXPENSES:
Property operating	149,515	133,037
Depreciation and amortization	170,562	171,154
Real estate taxes	65,324	68,897
Repairs and maintenance	21,481	19,046
Advertising and promotion	19,318	19,444
Other	48,843	31,988
Total operating expenses	475,043	443,566
Operating Income Before Other Items	355,310	281,787
Interest expense	(144,448)	(146,196)
Net Income	$ 210,862	$ 135,591