2.2.0.7 false CONSOLIDATED STATEMENTS OF INCOME (USD $) 00200 - Statement - CONSOLIDATED STATEMENTS OF INCOME true false In Thousands, except Share data false false 1 USD false false Unit1 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit12 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit13 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false Unit12 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit13 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD false false Unit1 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit12 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit13 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD false false Unit1 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit12 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit13 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 15 Revenues: 13 us-gaap_RevenuesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 16 Rental 14 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 true true false false 72380000 72380 false false false 2 true true false false 65716000 65716 false false false 3 true true false false 142980000 142980 false false false 4 true true false false 134135000 134135 false false false xbrli:monetaryItemType monetary The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 19 -Subparagraph b false 17 Tenant recoveries 14 us-gaap_TenantReimbursements us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false true false false 20273000 20273 false false false 2 false true false false 17189000 17189 false false false 3 false true false false 41099000 41099 false false false 4 false true false false 38270000 38270 false false false xbrli:monetaryItemType monetary In accordance with the provisions of their lease agreement, this element represents allowable charges due a landlord from its tenant. In retail store and office building leases, for example, tenant reimbursements may cover items such as taxes, utilities, and common area expenses. No authoritative reference available. false 18 Other income 14 us-gaap_OtherRealEstateRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 259000 259 false false false 2 false true false false 3175000 3175 false false false 3 false true false false 1589000 1589 false false false 4 false true false false 7626000 7626 false false false xbrli:monetaryItemType monetary Other real estate revenue not otherwise specified in the taxonomy. No authoritative reference available. false 19 Total revenues 14 us-gaap_Revenues us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 92912000 92912 false false false 2 false true false false 86080000 86080 false false false 3 false true false false 185668000 185668 false false false 4 false true false false 180031000 180031 false false false xbrli:monetaryItemType monetary Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 true 20 Expenses: 12 us-gaap_OperatingExpensesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 21 Rental operations 13 us-gaap_OwnedPropertyManagementCosts us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 17077000 17077 false false false 2 false true false false 14661000 14661 false false false 3 false true false false 34928000 34928 false false false 4 false true false false 36813000 36813 false false false xbrli:monetaryItemType monetary The aggregate costs related to management of owned properties during the reporting period. No authoritative reference available. false 22 Real estate taxes 13 us-gaap_RealEstateTaxExpense us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 8703000 8703 false false false 2 false true false false 7613000 7613 false false false 3 false true false false 17424000 17424 false false false 4 false true false false 14846000 14846 false false false xbrli:monetaryItemType monetary A tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 10 -Section A -Paragraph 2, 17 false 23 Depreciation and amortization 13 us-gaap_DepreciationAndAmortization us-gaap true debit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 26469000 26469 false false false 2 false true false false 24501000 24501 false false false 3 false true false false 55385000 55385 false false false 4 false true false false 51813000 51813 false false false xbrli:monetaryItemType monetary The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 false 24 General and administrative 13 us-gaap_GeneralAndAdministrativeExpense us-gaap true debit duration No definition available. false false false false false false false false false false false label false 1 false true false false 6449000 6449 false false false 2 false true false false 5126000 5126 false false false 3 false true false false 12718000 12718 false false false 4 false true false false 10407000 10407 false false false xbrli:monetaryItemType monetary The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No authoritative reference available. false 25 Acquisition related expenses 13 us-gaap_BusinessCombinationAcquisitionRelatedCosts us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 1819000 1819 false false false 2 false false false false 0 0 false false false 3 false true false false 1968000 1968 false false false 4 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 59 false 26 Total expenses 13 us-gaap_OperatingExpenses us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 60517000 60517 false false false 2 false true false false 51901000 51901 false false false 3 false true false false 122423000 122423 false false false 4 false true false false 113879000 113879 false false false xbrli:monetaryItemType monetary Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No authoritative reference available. true 27 Income from operations 13 us-gaap_OperatingIncomeLoss us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 32395000 32395 false false false 2 false true false false 34179000 34179 false false false 3 false true false false 63245000 63245 false false false 4 false true false false 66152000 66152 false false false xbrli:monetaryItemType monetary The net result for the period of deducting operating expenses from operating revenues. No authoritative reference available. true 28 Equity in net loss of unconsolidated partnerships 13 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions us-gaap true credit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false -100000 -100 false false false 2 false true false false -465000 -465 false false false 3 false true false false -377000 -377 false false false 4 false true false false -766000 -766 false false false xbrli:monetaryItemType monetary This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 false 29 Interest income 13 us-gaap_InvestmentIncomeInterest us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false true false false 51000 51 false false false 2 false true false false 101000 101 false false false 3 false true false false 71000 71 false false false 4 false true false false 164000 164 false false false xbrli:monetaryItemType monetary Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 false 30 Interest expense 13 us-gaap_InterestExpense us-gaap true debit duration No definition available. false false false false false false false false false false true negated false 1 false true false false -21870000 -21870 false false false 2 false true false false -12875000 -12875 false false false 3 false true false false -43131000 -43131 false false false 4 false true false false -24955000 -24955 false false false xbrli:monetaryItemType monetary The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 9 -Subsection II Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 false 31 (Loss)/gain on derivative instruments 13 us-gaap_GainLossOnDerivativeInstrumentsNetPretax us-gaap true credit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false -497000 -497 false false false 2 false true false false 360000 360 false false false 3 false true false false -347000 -347 false false false 4 false true false false 303000 303 false false false xbrli:monetaryItemType monetary Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. No authoritative reference available. false 32 (Loss)/gain on extinguishment of debt 13 us-gaap_GainsLossesOnExtinguishmentOfDebt us-gaap true credit duration No definition available. false false false false false false false false false false false label false 1 false true false false -1444000 -1444 false false false 2 false true false false 1781000 1781 false false false 3 false true false false -2265000 -2265 false false false 4 false true false false 6152000 6152 false false false xbrli:monetaryItemType monetary Amount represents the difference between the fair value of the payments made and the carrying amount of the debt at the time of its extinguishment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 26 -Paragraph 20, 21 false 33 Net income 13 us-gaap_ProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 8535000 8535 false false false 2 false true false false 23081000 23081 false false false 3 false true false false 17196000 17196 false false false 4 false true false false 47050000 47050 false false false xbrli:monetaryItemType monetary The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) true 34 Net income attributable to noncontrolling interests 13 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest us-gaap true debit duration No definition available. false false false false false false false false false false true negated false 1 false true false false -95000 -95 false false false 2 false true false false -645000 -645 false false false 3 false true false false -216000 -216 false false false 4 false true false false -1350000 -1350 false false false xbrli:monetaryItemType monetary The portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 false 35 Net income attributable to Company 13 us-gaap_NetIncomeLoss us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 8440000 8440 false false false 2 false true false false 22436000 22436 false false false 3 false true false false 16980000 16980 false false false 4 false true false false 45700000 45700 false false false xbrli:monetaryItemType monetary The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph d Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A7 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 10, 15 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28, 29, 30 true 36 Preferred stock dividends 13 us-gaap_PreferredStockDividends us-gaap true debit duration No definition available. false false false false false false false false false false true negated false 1 false true false false -4241000 -4241 false false false 2 false true false false -4241000 -4241 false false false 3 false true false false -8481000 -8481 false false false 4 false true false false -8481000 -8481 false false false xbrli:monetaryItemType monetary The amount of dividends declared or paid in the period to preferred shareholders, or the amount for which the obligation to pay them dividends arose in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section B Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph b false 37 Net income available to common stockholders 13 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 true true false false 4199000 4199 false false false 2 true true false false 18195000 18195 false false false 3 true true false false 8499000 8499 false false false 4 true true false false 37219000 37219 false false false xbrli:monetaryItemType monetary Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 9 true 38 Net income per share available to common stockholders: 3 us-gaap_EarningsPerShareAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 39 Basic and diluted earnings per share 4 bmr_BasicAndDilutedEarningsPerShare bmr false na duration Basic and diluted earnings per share false false false false false false false false false false false label true 1 true true false false 0.04 0.04 false false false 2 true true false false 0.2 0.2 false false false 3 true true false false 0.08 0.08 false false false 4 true true false false 0.44 0.44 false false false xbrli:decimalItemType decimal Basic and diluted earnings per share No authoritative reference available. false 40 Weighted-average common shares outstanding: 4 bmr_WeightedAverageCommonSharesOutstanding bmr false na duration Weighted-average common shares outstanding: false false false false false true false false false false false label false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string Weighted-average common shares outstanding: false 41 Basic 5 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration No definition available. false false false false false false false false false false false label false 1 false true false false 109707274 109707274 false false false 2 false true false false 88503295 88503295 false false false 3 false true false false 104000339 104000339 false false false 4 false true false false 84403582 84403582 false false false xbrli:sharesItemType shares Number of [basic] shares, after adjustment for contingently issuable shares and other shares not deemed outstanding, determined by relating the portion of time within a reporting period that common shares have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 false 42 Diluted 5 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration No definition available. false false false false false false false false false false false label false 1 false true false false 113956077 113956077 false false false 2 false true false false 92615935 92615935 false false false 3 false true false false 108298135 108298135 false false false 4 false true false false 88580072 88580072 false false false xbrli:sharesItemType shares The average number of shares issued and outstanding that are used in calculating diluted EPS, determined based on the timing of issuance of shares in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 false 4 28 false Thousands NoRounding NoRounding false true