Investments in Unconsolidated Joint Ventures - Combined Condensed Statements of Operations of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Leasing revenue	$ 199,045	$ 203,412
Total revenues	214,854	216,144
Expenses:
Leasing expenses	9,656	7,611
Interest expense	39,423	51,861
Depreciation and amortization	71,453	72,856
Total expenses	216,899	229,055
Loss on sale or write down of assets, net	3,779	6,453
Net loss	(58,194)	(37,354)
Company's equity in net loss	(61,810)	(29,097)
Other
Revenues:
Other	9,054	6,327
Shopping center and operating expenses
Expenses:
Cost of goods and services sold	70,487	72,920
Joint Venture
Revenues:
Leasing revenue	206,438	199,016
Total revenues	207,784	206,419
Expenses:
Leasing expenses	2,041	1,790
Interest expense	64,105	51,118
Depreciation and amortization	85,382	89,453
Total expenses	223,045	210,945
Loss on sale or write down of assets, net	(70,563)	(58,691)
Net loss	(85,824)	(63,217)
Company's equity in net loss	(61,810)	(29,097)
Joint Venture | PPR Portfolio
Revenues:
Leasing revenue	43,070	43,850
Total revenues	43,750	43,913
Expenses:
Leasing expenses	570	469
Interest expense	21,810	15,372
Depreciation and amortization	22,878	24,276
Total expenses	56,664	50,836
Loss on sale or write down of assets, net	0	0
Net loss	(12,914)	(6,923)
Company's equity in net loss	(5,516)	(1,792)
Joint Venture | Other Joint Ventures
Revenues:
Leasing revenue	163,368	155,166
Total revenues	164,034	162,506
Expenses:
Leasing expenses	1,471	1,321
Interest expense	42,295	35,746
Depreciation and amortization	62,504	65,177
Total expenses	166,381	160,109
Loss on sale or write down of assets, net	(70,563)	(58,691)
Net loss	(72,910)	(56,294)
Company's equity in net loss	(56,294)	(27,305)
Joint Venture | Other
Revenues:
Other	1,346	7,403
Joint Venture | Other | PPR Portfolio
Revenues:
Other	680	63
Joint Venture | Other | Other Joint Ventures
Revenues:
Other	666	7,340
Joint Venture | Shopping center and operating expenses
Expenses:
Cost of goods and services sold	71,517	68,584
Joint Venture | Shopping center and operating expenses | PPR Portfolio
Expenses:
Cost of goods and services sold	11,406	10,719
Joint Venture | Shopping center and operating expenses | Other Joint Ventures
Expenses:
Cost of goods and services sold	$ 60,111	$ 57,865