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v3.19.3

Unconsolidated Affiliates and Noncontrolling Interests - Narrative (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2019 USD ($) | May 31, 2019 USD ($) | Jan. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) outparcel entity | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) outparcel entity | Sep. 30, 2018 USD ($) | Nov. 30, 2018
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Number of equity method investment entities | entity |  |  |  | 24 |  | 24 |  |
Number of joint ventures | entity |  |  |  | 16 |  | 16 |  |
Gain on sales of real estate assets |  |  |  | $ 8,056,000 | $ 7,880,000 | $ 13,811,000 | $ 15,998,000 |
Gain (loss) on sale of outparcels |  |  |  | $ 2,631,000 |  | $ 4,731,000 |  |
Number of outparcels sold | outparcel |  |  |  | 2 |  | 3 |  |
Number of variable interest entities | entity |  |  |  |  |  | 14 |  |
Minimum |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  |  | 20.00% |  | 20.00% |  |
Ownership in variable interest entity (as a percent) |  |  |  |  |  | 50.00% |  |
Maximum |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  |  | 65.00% |  | 65.00% |  |
Ownership in variable interest entity (as a percent) |  |  |  |  |  | 92.00% |  |
Bullseye, LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Ownership in variable interest entity (as a percent) |  |  |  |  |  | 20.00% |  |
El Paso Outlet Center Holding, LLC and El Paso Outlet Outparcels, LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  |  | 50.00% |  | 50.00% |  |
Proportion of ownership in variable interest entity sold (as a percent) | 25.00% |  |  |  |  |  |  |
G&I VIII CBL Triangle LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  |  | 90.00% |  | 90.00% |  |
Real estate investments |  |  |  | $ 0 |  | $ 0 |  |
Hamilton Place Self Storage, LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  |  | 54.00% |  | 54.00% |  |
Gain on sales of real estate assets |  |  |  |  |  | $ (187,000) |  |
Parkdale Self Storage, LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  |  | 50.00% |  | 50.00% |  |
Gain on sales of real estate assets |  | $ 433,000 |  |  |  |  |  |
Vision - CBL Hamilton Place, LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  |  |  |  |  |  | 50.00%
Bullseye, LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Payments to acquire land |  |  | $ 3,310,000 |  |  |  |  |
El Paso Outlet Center Holding, LLC and El Paso Outlet Outparcels, LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of land | $ 27,750,000 |  |  |  |  |  |  |
Related debt as part of proceeds from sale of land | 18,525,000 |  |  |  |  |  |  |
Gain (loss) on investment/deconsolidation | 11,174,000 |  |  |  |  |  |  |
Gain on sales of real estate assets | 3,884,000 |  |  |  |  |  |  |
Gain (loss) related to marking investment to fair value | $ 7,290,000 |  |  |  |  |  |  |

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