XML 78 R63.htm IDEA: XBRL DOCUMENT v3.21.2

Earnings per Share and Earnings per Unit - Narrative (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
CBL & Associates Limited Partnership
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Undistributed losses allocated to participating common units percent			100.00%
Common Units | CBL & Associates Limited Partnership
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive securities excluded from the computation of EPS (shares)	0	0	0	0
Antidilutive securities excluded from the computation of EPS (shares)	0	0	0	0
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive securities excluded from the computation of EPS (shares)	0	0	0	0
Antidilutive securities excluded from the computation of EPS (shares)	0	0	0	0

X

- Definition

Potentially dilutive securities excluded from computation of earnings per share amount.

+ References

No definition available.

+ Details

Name:	cbl_PotentiallyDilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	cbl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Undistributed loss allocated to participating common units percent.

+ References

No definition available.

+ Details

Name:	cbl_UndistributedLossAllocatedToParticipatingCommonUnitsPercent
Namespace Prefix:	cbl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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_EarningsPerShareBasicLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=cbl_CBLAssociatesLimitedPartnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PartnerCapitalComponentsAxis=cbl_CommonUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: