Annual coverage limit provided by the insurance arrangement for environmental liability claims.

No definition available.

Name:	cbl_EnvironmentalLiabilityInsuranceAnnualCoverageLimit.
Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Environmental Liability Insurance, Maximum Coverage Per Incident

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
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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

No definition available.

+ Details

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

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- Definition

Number of defendants named in a legal action.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
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- Details

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- Details

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Contingencies (Details)		1 Months Ended	6 Months Ended
Contingencies (Details)	Jul. 29, 2016 defendant	Jun. 24, 2016 claim	Jun. 30, 2016 USD ($)
Loss Contingencies [Line Items]
Loss contingency, new claims filed \| claim		3
Environmental liability insurance, maximum coverage per incident			$ 10,000,000
Environmental liability insurance, annual coverage limit.			$ 50,000,000
Former Director \| Subsequent Event
Loss Contingencies [Line Items]
Loss contingency, number of defendants \| defendant	3