XML 89 R69.htm IDEA: XBRL DOCUMENT v3.21.1

Leases - Narrative (Details)	12 Months Ended
	Dec. 31, 2020 ground_lease office_lease
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 | ground_lease	8
Number of office leases | office_lease	1
Weighted-average remaining term of operating leases	42 years 9 months 18 days
Weighted-average discount rate of operating leases (as a percent)	8.30%
Minimum
Lessee, Lease, Description [Line Items]
Operating lease renewal term	5 years
Maximum
Lessee, Lease, Description [Line Items]
Operating lease renewal term	10 years

X

- Definition

Lessee Leasing Arrangements, Number of Office Building Leases

+ References

No definition available.

+ Details

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X

- Definition

Tenant reimbursements period related to certain capital expenditure maximum.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
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X

- Definition

Tenant reimbursements period related to certain capital expenditure minimum.

+ References

No definition available.

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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

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Namespace Prefix:	us-gaap_
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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=121609121&loc=SL77918673-209980

+ Details

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Period Type:	instant

X

- Definition

Number of separate real estate development properties located on land subject to ground leases.

+ References

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
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X

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(4)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971

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Balance Type:	na
Period Type:	instant

X

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

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