XML 89 R65.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Real Estate Investments (Acquistions) (Details) (USD $) | 12 Months Ended |  |  |  |  |  |  | 0 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Aug. 12, 2011 sqft | Dec. 31, 2011 Overlook I And II [Member] | Mar. 28, 2011 Overlook I And II [Member] sqft | Jan. 20, 2011 Parcel of land in PA [Member] A | Jan. 20, 2011 Parcel of land in PA [Member] Partnership Interest [Member] | Dec. 31, 2011 Three Logan Square [Member] sqft | Aug. 05, 2010 Three Logan Square [Member] Storey | Aug. 05, 2010 Three Logan Square [Member] Partnership Interest [Member] Units_of_limited_partnership_interest | Dec. 29, 2010 Gibbsboro, New Jersey [Member] A
Real Estate Investments (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquired real estate, cost of property |  |  |  | $ 18,800,000 |  | $ 12,600,000 | $ 9,300,000 |  |  | $ 129,000,000 |  |
Date which note receivable obtained from third party in connection with acquisition |  |  |  | Aug. 02, 2011 |  |  |  |  |  |  |  |
Net rentable space of property acquired |  |  |  | 192,707 |  | 126,496 |  |  | 1,000,000 |  |  |
Lease percentage of acquired property | 57.20% |  |  |  | 100.00% |  |  |  | 67.20% |  |  |
Acquisitions through cash |  |  |  |  |  |  |  |  |  | 51,200,000 |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Units |  |  |  |  |  |  |  |  |  |  | 7,111,112 |
Acquisition related costs |  |  |  | 300,000 |  |  | 500,000 |  |  | 400,000 |  |
Business acquisition, purchase price allocated to building |  |  |  | 21,400,000 |  |  |  |  |  |  |  |
Business acquisition, purchase price allocated to intangible assets |  |  |  | 12,000,000 |  |  |  |  |  |  |  |
Business acquisition, purchase price allocated to market lease liabilities |  |  |  | 14,400,000 |  |  |  |  |  |  |  |
Business acquisition, purchase price allocated to other assets |  |  |  | 200,000 |  |  |  |  |  |  |  |
Business acquisition, purchase price allocated to assumed liabilities |  |  |  | 400,000 |  |  |  |  |  |  |  |
Area of land acquired |  |  |  |  |  |  | 1 |  |  |  |  | 12
Business Acquisition, Equity Interest Issued or Issuable, Description |  |  |  |  |  |  |  | 50% general partner interest in the venture |  |  |  |
Number of storey of office tower acquired |  |  |  |  |  |  |  |  |  | 53 |  |
Assumed security deposits obligations | 700,000 |  |  |  |  |  |  |  |  | 900,000 |  |
Net amount of cash paid after assumed liabilities |  |  |  |  |  |  |  |  |  | 50,300,000 |  |
Closing market price of Parent Company's common shares on acquisition date |  |  |  |  |  |  |  |  |  | 11.54 |  |
Annual dividend rate per share |  |  |  |  |  |  |  |  |  | $ 0.60 |  |
Recognized tenant and other receivables from acquisition |  |  |  |  |  |  |  |  |  | 1,100,000 |  |
Prepaid real estate taxes from acquisition |  |  |  |  |  |  |  |  |  | 1,500,000 |  |
Settlement of note receivable through foreclosure of a parcel of land | 0 | 2,795,000 | 0 |  |  |  |  |  |  |  |  | 2,800,000
Land available for development | 109,008,000 | 110,055,000 | 97,368,000 |  |  |  |  |  |  |  |  | 300,000
Business Acquisition, consideration received |  |  |  |  |  |  | $ 4,900,000 |  |  |  |  |

X
- Details
Name: | bdn_AdditionalRealEstateInvestmentsTextualsAbstract
Namespace Prefix: | bdn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Business Acquisition Cost Of Acquired Entity Cash Paid Net Amount. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business acquisition equity interest issued or issuable number of units issued. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued
Namespace Prefix: | bdn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Purchase price allocation related to acquisition - below market lease liabilities assumed. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionPurchasePriceAllocatedToMarketLeaseLiabilities
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Purchase price allocation related to acquisition - building. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionPurchasePriceAllocationBuilding
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Purchase price allocation related to acquisition - intangible assets. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Other assets acquired. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionPurchasePriceAllocationOtherAssets
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Other liabilities assumed. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionPurchasePriceAllocationOtherLiabilitiesAssumed
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business Acquisitions Equity Interest Issued Or Issuable Description. + References No definition available. + Details
Name: | bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription
Namespace Prefix: | bdn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | instant

X
- Definition Closing market price Parent Company's common shares on acquisition date. + References No definition available. + Details
Name: | bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Consideration received in anticipation of real estate venture formation. + References No definition available. + Details
Name: | bdn_ConsiderationReceivedInAnticipationOfRealEstateVentureFormation
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Lease percentage of acquired property. + References No definition available. + Details
Name: | bdn_LeasePercentageOfAcquiredProperty
Namespace Prefix: | bdn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Net Rentable Space. + References No definition available. + Details
Name: | bdn_NetRentableSpace
Namespace Prefix: | bdn_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Notes Receivable Obtained From Third Party Date. + References No definition available. + Details
Name: | bdn_NotesReceivableObtainedFromThirdPartyDate
Namespace Prefix: | bdn_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of storey of office tower acquired. + References No definition available. + Details
Name: | bdn_NumberOfStoreyOfOfficeTowerAcquired
Namespace Prefix: | bdn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Prepaid Real Estate Taxes From Acquisition. + References No definition available. + Details
Name: | bdn_PrepaidRealEstateTaxesFromAcquisition
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Settlement of note receivable through foreclosure of a parcel of land + References No definition available. + Details
Name: | bdn_SettlementOfNoteReceivableThroughForeclosureOfParcelOfLand
Namespace Prefix: | bdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash paid to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph f(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair Value of the liabilities incurred by the acquirer to former owners of the acquiree, including the fair value of any contingent consideration. If liabilities transferred as consideration remain within the combined entity after the business combination (for example, because the assets or liabilities were transferred to the acquiree rather than to its former owners), and the acquirer therefore retains control of them; in that situation, the acquirer measures those liabilities at their carrying amounts immediately before the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 39, 40, 41 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph f(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 3 -Subparagraph a-g -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 6 -Subparagraph b(ii) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph h(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessCombinationAcquiredReceivablesGrossContractualAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableAmountPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying amount of land available for development. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 7 -Section 03 -Paragraph 1 -Subparagraph d Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LandAvailableForDevelopment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant