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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Real Estate Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Net amortization expense of acquired intangibles	$ 13,973us-gaap_AmortizationOfIntangibleAssets	$ 19,030us-gaap_AmortizationOfIntangibleAssets	$ 10,558us-gaap_AmortizationOfIntangibleAssets
Future amortization expense, 2015	10,698us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Future amortization expense, 2016	6,519us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
Future amortization expense, 2017	4,897us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
Future amortization expense, 2018	2,488us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
Future amortization expense, 2019	1,869us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Interest expense capitalized	7,122us-gaap_InterestCostsCapitalized	4,889us-gaap_InterestCostsCapitalized	2,671us-gaap_InterestCostsCapitalized
Intangible lease assets and other assets [Member] | Intangible Leases, Acquired-in-Place, Market Adjustment [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets and liabilities, Cost	64,696us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember	65,932us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember
Intangible lease assets and liabilities, Accumulated Amortization	(45,662)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember	(41,230)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember
Intangible lease assets and other assets [Member] | Intangible Leases, Acquired-in-Place [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets and liabilities, Cost	110,211us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember	111,769us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember
Intangible lease assets and liabilities, Accumulated Amortization	(71,272)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember	(60,243)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember
Intangible lease assets and other assets [Member] | Intangible Leases, Tenant Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets and liabilities, Cost	29,664us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember	27,381us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember
Intangible lease assets and liabilities, Accumulated Amortization	(4,917)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember	(4,004)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = cbl_IntangibleLeaseAssetsAndOtherAssetsMember
Accounts payable and accrued liabilities [Member] | Intangible Leases, Acquired-in-Place, Market Adjustment [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets and liabilities, Cost	99,189us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = us-gaap_AccountsPayableAndAccruedLiabilitiesMember	101,901us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = us-gaap_AccountsPayableAndAccruedLiabilitiesMember
Intangible lease assets and liabilities, Accumulated Amortization	$ (68,127)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = us-gaap_AccountsPayableAndAccruedLiabilitiesMember	$ (64,046)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember / cbl_IntangibleAssetsByBalanceSheetLocationAxis = us-gaap_AccountsPayableAndAccruedLiabilitiesMember
Buildings [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (years)	40 years
Certain Improvements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (years)	10 years
Certain Improvements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (years)	20 years
Equipment and Fixtures [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (years)	7 years
Equipment and Fixtures [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (years)	10 years

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of interest capitalized during the period.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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