Unconsolidated Affiliates and Noncontrolling Interests - Narrative (Details) $ in Thousands	1 Months Ended		3 Months Ended	9 Months Ended
	May 31, 2024 USD ($)	Apr. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Entity	Sep. 30, 2023 USD ($)	Oct. 01, 2024 USD ($)	Jul. 31, 2024	Jun. 30, 2023 USD ($)	Feb. 28, 2023
Schedule Of Equity Method Investments [Line Items]
Number of entities - equity method of accounting (entity) | Entity				25
Number of 50/50 joint ventures | Entity				17
Loan, fixed interest rate	7.3975%			7.3975%					4.25%
Debt instrument, maturity date	Jun. 07, 2027
Gain on deconsolidation			$ 19,728		$ 47,879
Alamance Crossing CMBS, LLC
Schedule Of Equity Method Investments [Line Items]
Loan outstanding balance				$ 41,122
Gain on deconsolidation					28,151
CBL-TRS Joint Venture, LLC
Schedule Of Equity Method Investments [Line Items]
Fair value carrying amount		$ 148,000
Debt instrument face amount		$ 145,591
Loan, fixed interest rate		6.44%
Debt instrument, maturity date		May 31, 2028
Louisville Outlet Shoppes, LLC
Schedule Of Equity Method Investments [Line Items]
Debt instrument face amount		$ 7,247
CBL-TRS Med OFC Holding, LLC
Schedule Of Equity Method Investments [Line Items]
Ownership interest in joint venture (as a percent)				50.00%
WestGate Mall CMBS, LLC
Schedule Of Equity Method Investments [Line Items]
Fair value carrying amount	$ 28,661
Gain on deconsolidation			$ 19,728		$ 19,728
Vision-CBL Hamilton Place, LLC
Schedule Of Equity Method Investments [Line Items]
Loan, fixed interest rate							7.20%
Unconsolidated Affiliates
Schedule Of Equity Method Investments [Line Items]
Ownership interest in joint venture (as a percent)				65.00%
Minimum
Schedule Of Equity Method Investments [Line Items]
Ownership in variable interest entity (as a percent)				50.00%
Minimum | Unconsolidated Affiliates
Schedule Of Equity Method Investments [Line Items]
Ownership interest in joint venture (as a percent)				33.00%
Maximum
Schedule Of Equity Method Investments [Line Items]
Ownership in variable interest entity (as a percent)				92.00%
Maximum | Unconsolidated Affiliates
Schedule Of Equity Method Investments [Line Items]
Ownership interest in joint venture (as a percent)				49.00%
CBL DMC I, LLC | CBL-TRS Med OFC Holding, LLC
Schedule Of Equity Method Investments [Line Items]
Ownership interest in joint venture (as a percent)								50.00%
Land contribution valuation amount								$ 2,600
Subsequent Event | BI Development II, LLC
Schedule Of Equity Method Investments [Line Items]
Debt instrument face amount						$ 3,062
Subsequent Event | West Melbourne I, LLC
Schedule Of Equity Method Investments [Line Items]
Fair value carrying amount						$ 45,000