XML 58 R43.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Real Estate Investments - Summary of Land Parcels Sold (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) a Parcel | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) a Parcel | Jun. 30, 2016 USD ($)
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Proceeds from the sale of properties |  |  |  | $ 102,083 | $ 748,395
Gain on Sale |  | $ 1,088 | $ (727) | $ 8,411 | $ 114,729
Land [Member] |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Number of Parcels | Parcel |  | 3 |  | 3 |
Acreage of land | a |  | 14.9 |  | 14.9 |
Sales Price |  | $ 16,400 |  | $ 16,400 |
Proceeds from the sale of properties |  |  |  | 15,880 |
Gain on Sale |  |  |  | $ 0 |
Garza Ranch - Multi-family [Member] | Land [Member] |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Number of Parcels | Parcel |  | 1 |  | 1 |
Acreage of land | a |  | 8.4 |  | 8.4 |
Sales Price |  | $ 11,800 |  | $ 11,800 |
Proceeds from the sale of properties |  |  |  | 11,560 |
Gain on Sale | [1] |  |  | $ 0 |
Gateway Land - Site C [Member] | Land [Member] |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Number of Parcels | Parcel |  | 1 |  | 1 |
Acreage of land | a |  | 4.8 |  | 4.8 |
Sales Price |  | $ 1,100 |  | $ 1,100 |
Proceeds from the sale of properties |  |  |  | 1,043 |
Gain on Sale | [2] |  |  | $ 0 |
Garza Ranch - Hotel [Member] | Land [Member] |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Number of Parcels | Parcel |  | 1 |  | 1 |
Acreage of land | a |  | 1.7 |  | 1.7 |
Sales Price |  | $ 3,500 |  | $ 3,500 |
Proceeds from the sale of properties |  |  |  | 3,277 |
Gain on Sale | [1] |  |  | $ 0 |
[1] | The Company has a continuing involvement through a completion guaranty, which requires the Company as developer to complete certain infrastructure improvements on behalf of the buyers of the land parcels. The cash received at settlement was recorded as “Deferred income, gains and rent” on the Company’s consolidated balance sheet and the Company will recognize the sale once the infrastructure improvements are complete. See Item 2., “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Contractual Obligations” for further discussion of the infrastructure improvements.
[2] | During the fourth quarter of 2016, the Company recognized a nominal impairment related to this land parcel.

X
- Definition Number of parcels of land. + References No definition available. + Details
Name: | bdn_NumberOfParcelsOfLand
Namespace Prefix: | bdn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Area of land held. + References No definition available. + Details
Name: | us-gaap_AreaOfLand
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230 + Details
Name: | us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=bdn_GarzaRanchMultiFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=bdn_GatewayLandSiteCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=bdn_GarzaRanchHotelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |