XML 72 R52.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Mortgage and Other Indebtedness, Net - Narrative (Details) | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2018 USD ($) extension_option loan credit_line | Dec. 31, 2017 | Jul. 31, 2018 USD ($) | Jun. 04, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 4.88% | 4.74% |  |
Face amount of debt instrument | $ 490,000,000 |  |  |
Principal maturities in 2018 | 644,007,000 |  |  |
Principal maturities in 2020 | $ 563,087,000 |  |  |
Weighted-average maturity period | 3 years 10 months 10 days | 4 years 4 months 24 days |  |
Unsecured lines of credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Number of unsecured term loans | credit_line | 3 |  |  |
Variable rate (as a percent) | 1.20% |  |  |
Annual facility fee (as a percent) | 0.25% |  |  |
Unsecured lines of credit | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable rate (as a percent) | 0.875% |  |  |
Annual facility fee (as a percent) | 0.125% |  |  |
Unsecured lines of credit | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable rate (as a percent) | 1.55% |  |  |
Annual facility fee (as a percent) | 0.30% |  |  |
Unsecured Term Loan 2 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable rate (as a percent) | 1.35% |  |  |
Face amount of debt instrument | $ 350,000,000 |  |  |
Option extension term of debt instrument | 1 year |  |  |
Interest rate (as a percent) | 3.33% |  |  |
Principal maturities in 2018 | $ 350,000,000 |  |  |
Principal maturities in 2020 | $ 1,100,000,000 |  |  |
Unsecured term loans |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable rate (as a percent) | 1.50% |  |  |
Face amount of debt instrument | $ 490,000,000 |  |  |
Option extension term of debt instrument | 1 year |  |  |
Interest rate (as a percent) | 3.48% |  |  |
Number of extension options available | extension_option | 2 |  |  |
Principal maturities in 2018 | $ 190,000,000 |  |  |
Unsecured term loans | Forecast |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face amount of debt instrument |  |  | $ 300,000,000 |
Unsecured Term Loan 3 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable rate (as a percent) | 1.65% |  |  |
Weighted-average interest rate (as a percent) | 3.63% |  |  |
Face amount of debt instrument | $ 45,000,000 |  |  |
Operating property loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal maturities in 2018 | $ 80,709,000 |  |  |
Number of operating property loans | loan | 3 |  |  |
Unsecured Term Loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Number of unsecured term loans | loan | 2 |  |  |
Principal maturities in 2018 | $ 540,000,000 |  |  |
Fixed Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 5.37% | 5.37% |  |
Variable Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 3.50% | 2.90% |  |
Unsecured Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Number of unsecured term loans | loan | 3 |  |  |
Senior Notes Due 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face amount of debt instrument | $ 625,000,000 |  |  |
Senior Notes Due 2026 | Fixed Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 5.95% | 5.95% |  |
Senior Notes Due 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face amount of debt instrument | $ 300,000,000 |  |  |
Senior Notes Due 2024 | Fixed Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 4.60% | 4.60% |  |
Unsecured lines of credit | Variable Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 3.18% | 2.56% |  |
Unsecured term loans | Variable Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 3.43% | 2.81% |  |
Non-recourse loans on operating properties |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face amount of debt instrument |  |  |  | $ 46,716,000
Default minimum of debt instrument | $ 50,000,000 |  |  |
Non-recourse loans on operating properties | Fixed Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 5.32% | 5.33% |  |
Non-recourse loans on operating properties | Variable Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 4.24% | 3.37% |  |
Recourse loans on operating properties |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Default minimum of debt instrument | $ 150,000,000 |  |  |
Recourse loans on operating properties | Variable Rate Interest |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate (as a percent) | 4.61% | 4.00% |  |
Principal amortization |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal maturities in 2018 | $ 23,298,000 |  |  |

X
- Definition Debt Instrument, Debt Default Threshold, Minimum Loan Amount + References No definition available. + Details
Name: | cbl_DebtInstrumentDebtDefaultThresholdMinimumLoanAmount
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Debt Instrument, Period Of Extension Option + References No definition available. + Details
Name: | cbl_DebtInstrumentPeriodOfExtensionOption
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Weighted Average Remaining Term to Maturity + References No definition available. + Details
Name: | cbl_DebtInstrumentWeightedAverageRemainingTermtoMaturity
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
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 Number of Operating Property Loans + References No definition available. + Details
Name: | cbl_NumberOfOperatingPropertyLoans
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the remainder of the 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of long-term debt outstanding calculated at point in time. + References No definition available. + Details
Name: | us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cbl_UnsecuredLinesOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cbl_UnsecuredTermLoan2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cbl_UnsecuredTermLoan1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cbl_UnsecuredTermLoan3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cbl_OperatingPropertyLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cbl_UnsecuredTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cbl_LongTermDebtInterestRateAxis=cbl_FixedRateInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cbl_LongTermDebtInterestRateAxis=cbl_VariableRateInterestMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cbl_SeniorNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cbl_SeniorNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cbl_UnsecuredLinesOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cbl_UnsecuredTermLoan1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cbl_NonRecourseLoansOnOperatingPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cbl_RecourseTermLoansOnOperatingPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cbl_PrincipalAmortizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |