Total amount available under the debt instrument

No definition available.

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Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt Instrument, Period Of Extension Option

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Weighted Average Remaining Term to Maturity

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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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 interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=cbl_VariableRateDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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MORTGAGE AND OTHER INDEBTEDNESS, NET (Variable Rate Loans Financed) (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Mar. 31, 2017	Jun. 30, 2016	Dec. 31, 2017
Statesboro Crossing, LLC
Debt Instrument [Line Items]
Extension option, term		1 year
Amount Financed	$ 10,930	$ 11,035
Statesboro Crossing, LLC \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.80%	1.80%
Variable Rate Debt
Debt Instrument [Line Items]
Weighted average remaining term to maturity			1 year 3 months 24 days
Minimum \| Variable Rate Debt
Debt Instrument [Line Items]
Variable interest, percentage rate			3.37%
Maximum \| Variable Rate Debt
Debt Instrument [Line Items]
Variable interest, percentage rate			4.11%
Extension option, term			2 years