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Organization and Basis of Presentation - Narrative (Details) $ in Thousands, shares in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) subsidiary state shares | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) subsidiary state shares | Sep. 30, 2018 USD ($)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Number of states in which entity operates | state | 26 |  | 26 |
Number of wholly owned subsidiaries | subsidiary | 36 |  | 36 |
Operating expense reimbursements | $ |  | $ 2,086 |  | $ 6,597
Gain on sales of real estate assets | $ | $ 8,056 | $ 7,880 | $ 13,811 | $ 15,998
CBL & Associates Limited Partnership |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Number of wholly owned subsidiaries | subsidiary | 2 |  | 2 |
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) |  |  | 85.60% |
Combined ownership by the subsidiaries in operating partnership (as a percent) | 86.60% |  | 86.60% |
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) |  |  | 9.10% |
Non-controlling limited partner interest of third parties in Operating partnership (as a percent) | 4.30% |  | 4.30% |
Common stock owned by CBL's Predecessor (shares) | shares | 4.3 |  | 4.3 |
Total combined effective interest of CBL's Predecessor in Operating Partnership (as a percent) | 11.20% |  | 11.20% |
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% |  | 100.00% |

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