Organization and Basis of Presentation - Properties Owned by Operating Partnership (Details)	Sep. 30, 2021 mall associated_center community_center office_building property
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Malls | mall	61
Associated Centers | associated_center	23
Community Centers | community_center	6
Office Buildings/Other	8
Total Properties | property	98
Consolidated Properties
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Malls | mall	49
Associated Centers | associated_center	20
Community Centers | community_center	1
Office Buildings/Other	4
Total Properties | property	74
Consolidated Properties | CBL & Associates Limited Partnership
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Office Buildings/Other	2
Unconsolidated Properties
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Malls | mall	12
Associated Centers | associated_center	3
Community Centers | community_center	5
Office Buildings/Other	4
Total Properties | property	24