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Organization and Basis of Presentation - Narrative (Details) shares in Millions |  | 9 Months Ended
--- | --- | ---
Nov. 01, 2021 | Sep. 30, 2021 state subsidiary shares
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Number of states in which entity operates | state |  | 24
Number of wholly owned subsidiaries |  | 36
Consolidated Properties |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Non-controlling limited partner interest ownership of CBL's Predecessor in the Operating Partnership (as a percent) |  | 1.90%
Common stock owned by CBL's Predecessor (shares) | shares |  | 20.0
Total effective interest of CBL's Predecessor in Operating Partnership (as a percent) |  | 10.00%
Consolidated Properties | CBL Holdings |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Ownership interest in qualified subsidiaries (as a percent) |  | 100.00%
CBL & Associates Limited Partnership |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Number of wholly owned subsidiaries |  | 2
Combined ownership by the subsidiaries in operating partnership (as a percent) |  | 98.10%
CBL & Associates Limited Partnership | CBL Associates Properties Inc |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Ownership of the sole general partner in partnership (as a percent) |  | 1.00%
Limited partnership interest owned by CBL Holdings II, Inc. in the operating partnership (as a percent) |  | 97.10%
CBL & Associates Limited Partnership | Subsequent Event |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Combined ownership by the subsidiaries in operating partnership (as a percent) | 99.90% |
CBL & Associates Limited Partnership | Subsequent Event | CBL Associates Properties Inc |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Ownership of the sole general partner in partnership (as a percent) | 1.00% |
Limited partnership interest owned by CBL Holdings II, Inc. in the operating partnership (as a percent) | 98.90% |

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