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UNCONSOLIDATED AFFILIATES AND COST METHOD INVESTMENTS (Joint Ventures) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 1 Months Ended 12 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2014
Jan. 31, 2013
Dec. 31, 2011
Mar. 31, 2014
Apr. 30, 2012
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage     35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage        
Business combination, purchase price     $ 127,706us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet          
Gain on sales of real estate assets 5,342us-gaap_GainsLossesOnSalesOfInvestmentRealEstate 1,980us-gaap_GainsLossesOnSalesOfInvestmentRealEstate 2,286us-gaap_GainsLossesOnSalesOfInvestmentRealEstate          
Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
    65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
     
Outlet Shoppes at El Paso [Member]                
Schedule of Equity Method Investments [Line Items]                
Business acquisition, ownership percentage acquired               75.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= cbl_OutletShoppesAtElPasoMember
Imperial Valley Mall [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage     60.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_BusinessAcquisitionAxis
= cbl_ImperialValleyMallMember
         
Business acquisition, ownership percentage acquired     40.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= cbl_ImperialValleyMallMember
         
Outlet Shoppes at El Paso [Member]                
Schedule of Equity Method Investments [Line Items]                
Business acquisition, ownership percentage acquired               75.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_OutletShoppesAtElPasoMember
Outlet Shoppes at El Paso [Member] | Outlet Shoppes at El Paso [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage               75.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_BusinessAcquisitionAxis
= cbl_OutletShoppesAtElPasoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_OutletShoppesAtElPasoMember
Ambassador Town Center JV, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_AmbassadorTownCenterJVLLCMember
    35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_AmbassadorTownCenterJVLLCMember
       
Contributions from CBL related to exercises of stock options       14,800us-gaap_PartnersCapitalAccountContributions
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_AmbassadorTownCenterJVLLCMember
       
Ambassador Town Center JV, LLC [Member] | Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_AmbassadorTownCenterJVLLCMember
    65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_AmbassadorTownCenterJVLLCMember
       
Contributions from CBL related to exercises of stock options       13,320us-gaap_PartnersCapitalAccountContributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_AmbassadorTownCenterJVLLCMember
       
Fremaux Town Center JV, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage         35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_FremauxTownCenterJvLlcMember
     
Fremaux Town Center JV, LLC [Member] | Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_FremauxTownCenterJvLlcMember
    65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_FremauxTownCenterJvLlcMember
       
Fremaux Town Center [Member]                
Schedule of Equity Method Investments [Line Items]                
Contributions from CBL related to exercises of stock options         20,500us-gaap_PartnersCapitalAccountContributions
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_FremauxTownCenterMember
     
Fremaux Town Center [Member] | Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Contributions from CBL related to exercises of stock options         18,450us-gaap_PartnersCapitalAccountContributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_FremauxTownCenterMember
     
El Paso Outlet Outparcels, LLC [Member] | Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_ElPasoOutletOutparcelsLlcMember
    50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_ElPasoOutletOutparcelsLlcMember
       
El Paso Outlet Outparcels, LLC [Member] | The Outlet Shoppes at El Paso vacant land [Member] | El Paso Outlet Outparcels, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Business acquisition, ownership percentage acquired               50.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= cbl_ElPasoOutletOutparcelsLlcMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_OutletShoppesAtElPasoVacantLandMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_ElPasoOutletOutparcelsLlcMember
Business combination, purchase price               3,864us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= cbl_ElPasoOutletOutparcelsLlcMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_OutletShoppesAtElPasoVacantLandMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_ElPasoOutletOutparcelsLlcMember
El Paso Outlet Outparcels, LLC [Member] | The Outlet Shoppes at El Paso vacant land [Member] | Horizon Group Properties [Member] | El Paso Outlet Outparcels, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage               50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_BusinessAcquisitionAxis
= cbl_ElPasoOutletOutparcelsLlcMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_OutletShoppesAtElPasoVacantLandMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cbl_HorizonGroupPropertiesMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_ElPasoOutletOutparcelsLlcMember
CBL TC LLC [Member] | Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
    50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
       
CBL TC LLC [Member] | CoolSprings Galleria, Oak Park Mall and West County Center Interest [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_CoolspringsGalleriaOakParkMallAndWestCountyCenterInterestMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
    50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_CoolspringsGalleriaOakParkMallAndWestCountyCenterInterestMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
  50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_CoolspringsGalleriaOakParkMallAndWestCountyCenterInterestMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
   
Gain on sales of real estate assets           54,327us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_CoolspringsGalleriaOakParkMallAndWestCountyCenterInterestMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
   
Capital expenditures incurred but not yet paid           26,439us-gaap_CapitalExpendituresIncurredButNotYetPaid
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_CoolspringsGalleriaOakParkMallAndWestCountyCenterInterestMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
   
Investments in unconsolidated affiliates           116,397us-gaap_EquityMethodInvestments
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_CoolspringsGalleriaOakParkMallAndWestCountyCenterInterestMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
   
CBL TC LLC [Member] | Pearland Town Center [Member]                
Schedule of Equity Method Investments [Line Items]                
Joint venture, ownership percentage   88.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_PearlandTownCenterMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
           
CBL TC LLC [Member] | Pearland Town Center [Member] | TIAA-CREF [Member]                
Schedule of Equity Method Investments [Line Items]                
Contributions from noncontrolling interests   18,264us-gaap_ProceedsFromContributionsFromAffiliates
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_PearlandTownCenterMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cbl_TiaaCrefMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
           
Preferred return percentage             8.00%cbl_PreferredReturnPercentage
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= cbl_PearlandTownCenterMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cbl_TiaaCrefMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_CblTcLlcMember
 
Pearland Town Center [Member]                
Schedule of Equity Method Investments [Line Items]                
Business acquisition, ownership percentage acquired   12.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_PearlandTownCenterMember
        12.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_PearlandTownCenterMember
 
Contributions from CBL related to exercises of stock options             17,948us-gaap_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= cbl_PearlandTownCenterMember