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Organization and Basis of Presentation - Properties Owned by Operating Partnership (Details)	6 Months Ended
	Jun. 30, 2022 mall outlet_center lifestyle_center open-air_center other_property property segment office_building
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Malls \| mall	50
Outlet Centers \| outlet_center	5
Lifestyle Centers \| lifestyle_center	5
Open-Air Centers \| open-air_center	29
Other \| other_property	5
Total Properties \| property	94
Malls
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of reportable segments \| segment	1
Consolidated Properties
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Malls \| mall	41
Outlet Centers \| outlet_center	2
Lifestyle Centers \| lifestyle_center	4
Open-Air Centers \| open-air_center	21
Other \| other_property	4
Total Properties \| property	72
Consolidated Properties \| Subsidiaries
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Office Buildings \| office_building	2
Unconsolidated Properties
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Malls \| mall	9
Outlet Centers \| outlet_center	3
Lifestyle Centers \| lifestyle_center	1
Open-Air Centers \| open-air_center	8
Other \| other_property	1
Total Properties \| property	22