XML 89 R73.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Debt - 2017 Financings (Details) $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 31, 2017 USD ($) community | Jul. 31, 2017 USD ($) community loan_portfolio | Dec. 31, 2017 USD ($) community | Dec. 31, 2016 USD ($) | Jun. 30, 2017 USD ($) community | Jun. 30, 2011 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Payments of debt restructuring |  |  | $ 12.4 | $ 9.2 |  |
Non-Recourse First Mortgages |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Extinguishment of debt |  |  | $ 78.9 |  |  |
Number of communities securing mortgage notes | community |  |  | 13 |  |  |
First Mortgage Financing |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate |  | 4.81% |  |  |  |
Debt maturity period |  | 10 years |  |  |  |
Percentage bearing fixed interest | 60.00% | 70.00% |  |  |  |
Percentage bearing variable interest | 40.00% | 30.00% |  |  |  |
First Mortgage Financing | LIBOR |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate basis | 2.415% | 2.44% |  |  |  |
First Mortgage Financing | Non-Recourse Supplemental Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount |  |  |  |  | $ 54.7 |
Number of communities securing debt | community |  |  |  |  | 7 |
Interest rate |  |  |  |  | 4.69% |
First Mortgage Financing | Mortgage Debt Due April 2018 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Extinguishment of debt |  | $ 188.1 |  |  |  |
First Mortgage Financing | Mortgage Debt Due January 2021 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Extinguishment of debt |  | $ 13.6 |  |  |  |
First Mortgage Financing | Mortgage Debt Due August 2018 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Extinguishment of debt | $ 389.9 |  |  |  |  |
First Mortgage Financing | Mortgage Debt Due May 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Extinguishment of debt | $ 228.9 |  |  |  |  |
Secured Debt | Non-Recourse First Mortgages |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Number of communities securing debt | community | 51 | 22 |  |  |  |
Number of debt instruments refinanced | loan_portfolio |  | 2 |  |  |  |
Proceeds from debt refinancing | $ 975.0 | $ 221.3 |  |  |  |
Convertible notes payable |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount |  |  | $ 316.3 |  |  |
Convertible notes payable | Convertible Senior Notes Due June 2018 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 316.3
Interest rate |  |  |  |  |  | 2.75%
One Half Principal, Maturing in 2024 | First Mortgage Financing |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate | 4.43% |  |  |  |  |
One Half Principal, Maturing in 2027 | First Mortgage Financing |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate | 4.47% |  |  |  |  |

X
- Definition Debt Instrument, Number Of Communities Securing Debt + References No definition available. + Details
Name: | bkd_DebtInstrumentNumberOfCommunitiesSecuringDebt
Namespace Prefix: | bkd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of the company's communities securing the Long-term debt instrument. + References No definition available. + Details
Name: | bkd_NumberOfCommunitiesSecuringMortgageNotes
Namespace Prefix: | bkd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Debt Instruments Refinanced + References No definition available. + Details
Name: | bkd_NumberOfDebtInstrumentsRefinanced
Namespace Prefix: | bkd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds From Debt Refinancing + References No definition available. + Details
Name: | bkd_ProceedsFromDebtRefinancing
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
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 Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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 set, unchanging rate. + 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
Name: | us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_LongTermDebtPercentageBearingVariableInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow for cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtRestructuringCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bkd_MortgageDebtDueApril2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bkd_MortgageDebtDueJanuary2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bkd_MortgageDebtDueAugust2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bkd_MortgageDebtDueMay2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bkd_ConvertibleSeniorNotesDueJune2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bkd_DebtInstrumentTermOfAgreementAxis=bkd_OneHalfPrincipalMaturingin2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bkd_DebtInstrumentTermOfAgreementAxis=bkd_OneHalfPrincipalMaturingin2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |