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Mortgage and Other Indebtedness (Details) (USD $) | 3 Months Ended | 6 Months Ended |  |  | 9 Months Ended | 3 Months Ended |  | 9 Months Ended |  | 9 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended |
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Mar. 31, 2013 | Jun. 30, 2013 | Sep. 30, 2013 | Dec. 31, 2012 | Sep. 30, 2013 Wells Fargo Bank [Member] | Sep. 30, 2013 Unsecured lines of credit [Member] CreditLines | Mar. 31, 2013 Unsecured lines of credit [Member] | Sep. 30, 2013 Unsecured lines of credit [Member] Wells Fargo Bank [Member] CreditLines | Sep. 30, 2013 Wells Fargo Facility A [Member] Extension_Options | Sep. 30, 2013 First Tennessee Bank [Member] | Sep. 30, 2013 Wells Fargo Facility B [Member] Extension_Options | Sep. 30, 2013 Unsecured Term Loan 3 [Member] | Dec. 31, 2012 Secured Line of Credit 3 [Member] First Tennessee Bank [Member] | Sep. 30, 2013 Unsecured Term Loan 1 [Member] | Sep. 30, 2013 Unsecured Term Loan 2 [Member] | Sep. 30, 2013 Debt to total asset value [Member] Debt Covenant Requirement [Member] | Sep. 30, 2013 Debt to total asset value [Member] Debt Covenant Ratios Actual [Member] | Sep. 30, 2013 Ratio of unencumbered asset value to unsecured indebtedness [Member] Debt Covenant Requirement [Member] | Sep. 30, 2013 Ratio of unencumbered asset value to unsecured indebtedness [Member] Debt Covenant Ratios Actual [Member] | Sep. 30, 2013 Ratio of unencumbered NOI to unsecured interest expense [Member] Debt Covenant Requirement [Member] | Sep. 30, 2013 Ratio of unencumbered NOI to unsecured interest expense [Member] Debt Covenant Ratios Actual [Member] | Sep. 30, 2013 Ratio of EBITDA to fixed charges (debt service) [Member] Debt Covenant Requirement [Member] | Sep. 30, 2013 Ratio of EBITDA to fixed charges (debt service) [Member] Debt Covenant Ratios Actual [Member] | Sep. 30, 2013 Fixed-Rate Debt [Member] | Dec. 31, 2012 Fixed-Rate Debt [Member] | Sep. 30, 2013 Fixed-Rate Debt [Member] Non-recourse Loans on Operating Properties [Member] | Dec. 31, 2012 Fixed-Rate Debt [Member] Non-recourse Loans on Operating Properties [Member] | Sep. 30, 2013 Fixed-Rate Debt [Member] Financing method obligation [Member] | Dec. 31, 2012 Fixed-Rate Debt [Member] Financing method obligation [Member] | Sep. 30, 2013 Variable-Rate Debt [Member] | Dec. 31, 2012 Variable-Rate Debt [Member] | Sep. 30, 2013 Variable-Rate Debt [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2012 Variable-Rate Debt [Member] Non Recourse Term Loans On Operating Properties [Member] | Sep. 30, 2013 Variable-Rate Debt [Member] Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2012 Variable-Rate Debt [Member] Recourse Term Loans On Operating Properties [Member] | Sep. 30, 2013 Variable-Rate Debt [Member] Construction Loans [Member] | Dec. 31, 2012 Variable-Rate Debt [Member] Construction Loans [Member] | Sep. 30, 2013 Variable-Rate Debt [Member] Unsecured lines of credit [Member] | Dec. 31, 2012 Variable-Rate Debt [Member] Unsecured lines of credit [Member] | Sep. 30, 2013 Variable-Rate Debt [Member] Secured line of credit [Member] | Dec. 31, 2012 Variable-Rate Debt [Member] Secured line of credit [Member] | Sep. 30, 2013 Variable-Rate Debt [Member] Unsecured Term Loan [Member] | Dec. 31, 2012 Variable-Rate Debt [Member] Unsecured Term Loan [Member] | Sep. 30, 2013 Minimum [Member] Unsecured lines of credit [Member] | Mar. 31, 2013 Minimum [Member] Unsecured lines of credit [Member] | Sep. 30, 2013 Minimum [Member] Unsecured lines of credit [Member] | Mar. 31, 2013 Maximum [Member] Unsecured lines of credit [Member] | Sep. 30, 2013 Maximum [Member] Unsecured lines of credit [Member] | Sep. 30, 2013 Interest Rate Swap [Member] Loans
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other indebtedness |  |  | $ 4,867,717,000 |  | $ 4,745,683,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other indebtness amount carrying value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,517,089,000 |  | 3,794,509,000 |  | 3,498,825,000 | [1] | 3,776,245,000 | [1] | 18,264,000 | [2] | 18,264,000 | [2] | 1,350,628,000 |  | 951,174,000 |  | 134,119,000 |  | 123,875,000 |  | 51,960,000 |  | 97,682,000 |  | 49,641,000 |  | 15,366,000 |  | 664,908,000 |  | 475,626,000 |  | 0 | [3] | 10,625,000 | [3] | 450,000,000 |  | 228,000,000 |  |  |  |  |  |  |
Weighted Average Interest Rate (in hundredths) |  |  | 4.54% | [4] | 4.79% | [4] |  |  |  |  |  |  |  |  |  | 1.68% |  |  | 2.08% |  |  |  |  |  |  |  |  | 5.57% | [4] | 5.43% | [4] | 5.56% | [1],[4] | 5.42% | [1],[4] | 8.00% | [2],[4] | 8.00% | [2],[4] | 1.85% | [4] | 2.20% | [4] | 3.16% | [4] | 3.36% | [4] | 1.89% | [4] | 1.78% | [4] | 2.93% | [4] | 2.96% | [4] | 1.58% | [4] | 2.07% | [4] | 0.00% | [3],[4] | 2.46% | [3],[4] | 1.72% | [4] | 1.82% | [4] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | 1,300,000,000 |  |  |  |  |  |  | 600,000 | 600,000,000 |  | 100,000,000 | 600,000,000 |  |  | 105,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Amount Outstanding |  |  | 664,908,000 |  |  |  |  |  |  |  | 509,525,000 | [5] | 31,000,000 | 124,383,000 | [6] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  | May 31, 2015 |  |  |  |  |  |  |  |  | Nov. 13, 2015 |  | Feb. 05, 2016 | Nov. 11, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Extension Options Available |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Number of Instruments |  |  |  |  |  |  |  | 3 |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4
Extinguishment of debt | 77,099,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 228,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Long-term Debt, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000,000 |  |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate terms |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150 |  |  | 190 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Covenant Compliance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | < 60% | 52.7% | > 1.60x | 2.43x | > 1.75x | 7.61x | > 1.50x | 2.15x |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fees on amount of unused availability of secured lines of credit, minimum (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.30% | 0.25% |  | 0.30% |  |
Line of Credit, Option Exercise, Fee Charged, Percent |  |  |  |  |  |  | 0.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit, extended maturity date |  |  |  |  |  |  |  |  |  |  | Nov. 11, 2016 |  |  | Nov. 10, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Description of Variable Rate Basis |  |  |  |  |  |  |  | LIBOR plus | LIBOR plus |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis Spread On Variable Rate Debt |  |  | 140 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Lower Range Of Basis Spread On Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100 | 155 | 100 |  |  |
Debt Higher Range Of Basis Spread On Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 210 | 175 |
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.15% |  | 0.35% |
Letters of Credit Outstanding, Amount |  |  |  |  |  |  |  |  |  |  | 475,000 |  |  | 617,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional secured and unsecured lines of credit with commitment |  |  |  |  |  |  |  |  |  |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage Loans Terms In Years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Covenants and Restrictions [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum loan amount in default payment for recourse loan |  |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum loan amount in default payment for non-recourse loan |  |  | $ 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | The Company has four interest rate swaps on notional amounts totaling $110,875 as of September 30, 2013 and $113,885 as of December 31, 2012 related to four variable-rate loans on operating properties to effectively fix the interest rate on the respective loans. Therefore, these amounts are reflected in fixed-rate debt at September 30, 2013 and December 31, 2012.
[2] | This amount represents the noncontrolling partner's equity contribution related to Pearland Town Center that is accounted for as a financing due to certain terms of the CBL/T-C, LLC joint venture agreement.
[3] | The Company converted its secured line of credit to unsecured in February 2013.
[4] | Weighted-average interest rate includes the effect of debt premiums (discounts), but excludes amortization of deferred financing costs.
[5] | There was an additional $475 outstanding on this facility as of September 30, 2013 for letters of credit. Up to $50,000 of the capacity on this facility can be used for letters of credit.
[6] | There was an additional $617 outstanding on this facility as of September 30, 2013 for letters of credit. Up to $50,000 of the capacity on this facility can be used for letters of credit.

X
- Definition Additional secured and unsecured lines of credit that can only be used for issuing letter of credit. + References No definition available. + Details
Name: | cbl_AdditionalSecuredAndUnsecuredLinesOfCreditWithCommitment
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage points (also referred to as 'margin') added to the reference rate as stated in the loan agreement and used to compute the variable rate on the loans. For instance, the loan agreement might state that the interest rate the borrower is obligated to pay is the London Interbank Offered Rate (LIBOR) plus a 150 basis point spread adjusted quarterly (each three months). LIBOR in this example is the index or reference rate, 150 basis points are the margin, the reference rate plus the margin is the fully indexed rate. This element would be used to report separately the margin. + References No definition available. + Details
Name: | cbl_BasisSpreadOnVariableRateDebt
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition High end of the range of basis points added to the reference rate to compute the variable rate on the group of variable rate debt. + References No definition available. + Details
Name: | cbl_DebtHigherRangeOfBasisSpreadOnVariableRate
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Lines of Credit, Number + References No definition available. + Details
Name: | cbl_DebtInstrumentNumberOfInstruments
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Low end of the range of basis points added to the reference rate to compute the variable rate on the group of variable rate debt. + References No definition available. + Details
Name: | cbl_DebtLowerRangeOfBasisSpreadOnVariableRate
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date when the debt instrument is scheduled to be fully repaid, for an outside maturity date extension option . + References No definition available. + Details
Name: | cbl_LineOfCreditExtendedMaturityDate
Namespace Prefix: | cbl_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition The percentage fee charged for exercising the extension option on the line of credit. + References No definition available. + Details
Name: | cbl_LineOfCreditOptionExerciseFeeChargedPercent
Namespace Prefix: | cbl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Additionally, any default in the payment of any non recourse indebtedness greater than $100,000 of the Company, the Operating Partnership and significant subsidiaries, as defined, regardless of whether the lending institution is a part of the lender groups for the credit facilities, will constitute an event of default under the agreements to the credit facilities. + References No definition available. + Details
Name: | cbl_MinimumLoanAmountInDefaultPaymentForNonRecourseLoan
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Any default in the payment of any recourse indebtedness greater than $50,000 of the Company, the Operating Partnership and significant subsidiaries, as defined, regardless of whether the lending institution is a part of the lender groups for the credit facilities, will constitute an event of default under the agreements to the credit facilities. + References No definition available. + Details
Name: | cbl_MinimumLoanAmountInDefaultPaymentForRecourseLoan
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Sum of the carrying values as of the balance sheet date of all debt. + References No definition available. + Details
Name: | cbl_MortgageAndOtherIndebtnessAmountCarryingValue
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This element represents the expected term of the loan. + References No definition available. + Details
Name: | cbl_MortgageLoansTermsInYears
Namespace Prefix: | cbl_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of extension options available. + References No definition available. + Details
Name: | cbl_NumberOfExtensionOptionsAvailable
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_DebtDefaultLongtermDebtAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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
Name: | us-gaap_DebtInstrumentInterestRateTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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