XML 124 R105.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Events (Details) (USD $) | 0 Months Ended
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Jan. 30, 2015 | Jan. 08, 2015
River Place [Member] |  |
Subsequent Event [Line Items] |  |
Proceeds from Collection of Notes Receivable | $ 88,000,000 us-gaap_ProceedsFromCollectionOfNotesReceivable / us-gaap_SubsequentEventTypeAxis = bdn_RiverPlaceMember |
1000 Atrium Way and Libertyview [Member] [Member] |  |
Subsequent Event [Line Items] |  |
Number of Real Estate Properties |  | 2 us-gaap_NumberOfRealEstateProperties / us-gaap_SubsequentEventTypeAxis = bdn_A1000AtriumWayandLibertyviewMemberMember
Sale Consideration Of Sold Property |  | 28,300,000 bdn_SaleConsiderationOfSoldProperty / us-gaap_SubsequentEventTypeAxis = bdn_A1000AtriumWayandLibertyviewMemberMember
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  | $ 9,000,000 us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal / us-gaap_SubsequentEventTypeAxis = bdn_A1000AtriumWayandLibertyviewMemberMember
1000 Atrium Way [Member] |  |
Subsequent Event [Line Items] |  |
Net Rentable Space Sold |  | 99,668 bdn_NetRentableSpaceSold / us-gaap_SubsequentEventTypeAxis = bdn_A1000AtriumWayMember
Libertyview [Member] |  |
Subsequent Event [Line Items] |  |
Net Rentable Space Sold |  | 121,737 bdn_NetRentableSpaceSold / us-gaap_SubsequentEventTypeAxis = bdn_LibertyviewMember

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- Definition Net Rentable Space Sold. + References No definition available. + Details
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- Definition Sale Consideration Of Sold Property. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: 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=8077374&loc=d3e2443-110228 + Details
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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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Period Type: | duration

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- Details
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- Details
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- Details
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Period Type: |

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |