XML 195 R150.htm IDEA: XBRL DOCUMENT
v3.20.1

Combined Guarantor Subsidiaries - Leases - Narrative (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) ground_lease
Lessee, Lease, Description [Line Items] |
Number of ground leases | 8
Guarantor Subsidiaries |
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
Number of ground leases | 1
Operating lease renewal term | 5 years
Lease expense | $ | $ 41

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

X
- Definition Tenant reimbursements related to certain capital expenditure minimum period. + References No definition available. + Details
Name: | cbl_TenantReimbursementsRelatedToCertainCapitalExpenditureMinimumPeriod
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

X
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of separate real estate development properties located on land subject to ground leases. + References No definition available. + Details
Name: | us-gaap_NumberOfPropertiesSubjectToGroundLeases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 + Details
Name: | us-gaap_OperatingLeaseExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_GuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |