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Leases - Narrative (Details) | 12 Months Ended
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Dec. 31, 2023
Lessee, Lease, Description [Line Items] |
Tenant reimbursements period related to certain capital expenditure minimum | 5 years
Tenant reimbursements period related to certain capital expenditure maximum | 15 years

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- Definition Tenant reimbursements period related to certain capital expenditure maximum. + References No definition available. + Details
Name: | cbl_TenantReimbursementsPeriodRelatedToCertainCapitalExpenditureMaximum
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tenant reimbursements period related to certain capital expenditure minimum. + References No definition available. + Details
Name: | cbl_TenantReimbursementsPeriodRelatedToCertainCapitalExpenditureMinimum
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration