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ORGANIZATION - Narrative (Details) shares in Millions | 12 Months Ended
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Dec. 31, 2018 subsidiary state shares
Parent |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Number of company's common stock owned by CBL's Predecessor (shares) | shares | 4.0
Subsidiaries |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Number of states in which entity operates (state) | state | 26
Number of subsidiaries owned by the company (subsidiary) | subsidiary | 2
CBL Holdings | Subsidiaries |
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%
Operating Partnership | Parent |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Ownership interest of the sole general partner in partnership (as a percent) | 9.10%
Non-controlling limited partner interest of third parties in Operating partnership (as a percent) | 4.30%
Total combined effective interest of CBL's Predecessor in Operating Partnership (as a percent) | 11.10%
Operating Partnership | Subsidiaries |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Ownership interest 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) | 85.60%
Combined ownership interest by the subsidiaries in operating partnership (as a percent) | 86.60%

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