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Leases - Narrative (Details)	12 Months Ended
	Dec. 31, 2022
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

X

- 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

X

- 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

No definition available.

+ Details

Name:	us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration