Revenues - Narrative (Details)	12 Months Ended
Dec. 31, 2025
Revenue from Contract with Customer [Abstract]
Lease commission recognized upon lease execution (as a percent)	50.00%

Revenue, Performance Obligation, Lease Commission Recognized Upon Lease Execution, Percentage

No definition available.

Name:	cbl_RevenuePerformanceObligationLeaseCommissionRecognizedUponLeaseExecutionPercentage
Namespace Prefix:	cbl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration