XML 106 R90.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Income Taxes - Impact of Tax Cuts and Jobs Act (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($)
Income Tax Contingency [Line Items] |
Rate change - decrease in net deferred tax assets | $ 108,070
Rate change - decrease in valuation allowance | (172,235)
Impact on net operating loss usage | (50,551)
Reduction of deferred tax asset - AMT credits | 2,361
Total impact of the Tax Act on the Company's deferred taxes position | (112,355)
Realization of AMT credits | (2,361)
Total | $ (114,716)

X
- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense (Benefit) + References No definition available. + Details
Name: | bkd_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Increase (Decrease) In Deferred Tax Asset, Alternative Minimum Tax Credit + References No definition available. + Details
Name: | bkd_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateIncreaseDecreaseInDeferredTaxAssetAlternativeMinimumTaxCredit
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Increase (Decrease) In Deferred Tax Asset, Net + References No definition available. + Details
Name: | bkd_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateIncreaseDecreaseInDeferredTaxAssetNet
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Increase (Decrease) In Net Operating Loss Carryforwards + References No definition available. + Details
Name: | bkd_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateIncreaseDecreaseInNetOperatingLossCarryforwards
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Increase (Decrease) In Valuation Allowance + References No definition available. + Details
Name: | bkd_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateIncreaseDecreaseInValuationAllowance
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Realization Of Alternative Minimum Tax Credits + References No definition available. + Details
Name: | bkd_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateRealizationOfAlternativeMinimumTaxCredits
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) + References No definition available. + Details
Name: | bkd_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit
Namespace Prefix: | bkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_IncomeTaxContingencyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration