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Partners Equity of The Operating Partnership (DetailsTextuals) (USD $) | 3 Months Ended | 12 Months Ended |
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Nov. 05, 2013
Earnings per Common Partnership Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | $ 6,024,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | $ 38,982,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | $ (37,309,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |
Income Loss From Continuing Operations Including Portion Attributable To Non controlling Interest Diluted |  |  |  |  |  |  |  |  | 6,024,000 bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted | 38,982,000 bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted | (37,309,000)bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted |
Amount allocated to unvested restricted shareholders |  |  |  |  |  |  |  |  | 349,000 us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic | 363,000 us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic | 376,000 us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic |
Amount allocated to unvested restricted shareholders, Diluted |  |  |  |  |  |  |  |  | (349,000)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted | (363,000)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted | (376,000)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted |
Preferred share/unit dividends, Basic |  |  |  |  |  |  |  |  | (6,900,000)us-gaap_DividendsPreferredStock | (6,900,000)us-gaap_DividendsPreferredStock | (10,405,000)us-gaap_DividendsPreferredStock |
Preferred share/unit dividends, Diluted |  |  |  |  |  |  |  |  | (6,900,000)bdn_PreferredStockDividendsDiluted | (6,900,000)bdn_PreferredStockDividendsDiluted | (10,405,000)bdn_PreferredStockDividendsDiluted |
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, Redeemable |  |  |  |  |  |  |  |  | (44,000)us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersRedeemable | 0 us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersRedeemable | 0 us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersRedeemable |
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, Redeemable, Diluted |  |  |  |  |  |  |  |  | (44,000)bdn_NoncontrollingInterestinNetIncomeLossJointVenturePartnersRedeemableDiluted | 0 bdn_NoncontrollingInterestinNetIncomeLossJointVenturePartnersRedeemableDiluted | 0 bdn_NoncontrollingInterestinNetIncomeLossJointVenturePartnersRedeemableDiluted |
Preferred share/unit redemption premium, basic |  |  |  |  |  |  |  |  | 0 us-gaap_RedemptionPremium | 0 us-gaap_RedemptionPremium | (4,052,000)us-gaap_RedemptionPremium |
Preferred share/unit redemption Premium, Diluted |  |  |  |  |  |  |  |  | 0 bdn_RedemptionPremiumDiluted | 0 bdn_RedemptionPremiumDiluted | (4,052,000)bdn_RedemptionPremiumDiluted |
Income Loss from continuing operations available to common shareholders/unitholders, Basic |  |  |  |  |  |  |  |  | (1,182,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic | 31,362,000 bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic | (51,279,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic |
Income Loss from continuing operations available to common shareholders Diluted |  |  |  |  |  |  |  |  | (1,182,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted | 31,362,000 bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted | (51,279,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted |
Discontinued operations attributable to common unitholders |  |  |  |  |  |  |  |  | 918,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 4,207,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 43,838,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |
Net Income (Loss) Available to Common Stockholders, Basic |  |  |  |  |  |  |  |  | (274,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 35,514,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | (8,238,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |
Net Income (Loss) Available to Common Stockholders, Diluted |  |  |  |  |  |  |  |  | (274,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted | 35,514,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted | (8,238,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements |  |  |  |  |  |  |  |  | 0 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 1,273,853 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 0 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements |
Income (Loss) from continuing operations attributable to common shareholders/unitholders, Basic |  |  |  |  |  |  |  |  | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.36)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare |
Income (Loss) from Continuing Operations, Per Diluted Share |  |  |  |  |  |  |  |  | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.36)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare |
Discontinued operations attributable to common shareholders/unitholders, Basic |  |  |  |  |  |  |  |  | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.30 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare |
Discontinued operations attributable to common shareholders, Diluted |  |  |  |  |  |  |  |  | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.30 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare |
Net income (loss) attributable to common shareholders/unitholders, Basic | $ (0.02)us-gaap_EarningsPerShareBasic | $ 0.04 us-gaap_EarningsPerShareBasic | $ 0.00 us-gaap_EarningsPerShareBasic | $ (0.03)us-gaap_EarningsPerShareBasic | $ 0.12 us-gaap_EarningsPerShareBasic | $ 0.06 us-gaap_EarningsPerShareBasic | $ 0.03 us-gaap_EarningsPerShareBasic | $ 0.01 us-gaap_EarningsPerShareBasic | $ 0.00 us-gaap_EarningsPerShareBasic | $ 0.23 us-gaap_EarningsPerShareBasic | $ (0.06)us-gaap_EarningsPerShareBasic |
Net income (loss) attributable to common shareholders/unitholders, Diluted | $ (0.02)us-gaap_EarningsPerShareDiluted | $ 0.04 us-gaap_EarningsPerShareDiluted | $ 0.00 us-gaap_EarningsPerShareDiluted | $ (0.03)us-gaap_EarningsPerShareDiluted | $ 0.12 us-gaap_EarningsPerShareDiluted | $ 0.06 us-gaap_EarningsPerShareDiluted | $ 0.03 us-gaap_EarningsPerShareDiluted | $ 0.01 us-gaap_EarningsPerShareDiluted | $ 0.00 us-gaap_EarningsPerShareDiluted | $ 0.23 us-gaap_EarningsPerShareDiluted | $ (0.06)us-gaap_EarningsPerShareDiluted |
Partners Equity of The Operating Partnership (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable, Amount | 28,871,000 us-gaap_DividendsPayableCurrentAndNoncurrent |  |  |  | 25,584,000 us-gaap_DividendsPayableCurrentAndNoncurrent |  |  |  | 28,871,000 us-gaap_DividendsPayableCurrentAndNoncurrent | 25,584,000 us-gaap_DividendsPayableCurrentAndNoncurrent |  |
Percentage of Preferential return |  |  |  |  |  |  |  |  | 6.90%us-gaap_PreferredStockDividendRatePercentage | 6.90%us-gaap_PreferredStockDividendRatePercentage |  |
Dividends, Preferred Stock, Cash |  |  |  |  |  |  |  |  | (6,900,000)us-gaap_DividendsPreferredStockCash | (6,900,000)us-gaap_DividendsPreferredStockCash | (10,405,000)us-gaap_DividendsPreferredStockCash |
Partners' Capital Account, Redemptions |  |  |  |  |  |  |  |  |  |  | 9,741,000 us-gaap_PartnersCapitalAccountRedemptions |
Weighted-average shares/units outstanding, Basic |  |  |  |  |  |  |  |  | 166,202,649 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 153,140,458 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 143,257,097 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |
Weighted-average shares/units outstanding, Diluted |  |  |  |  |  |  |  |  | 166,202,649 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 154,414,311 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 143,257,097 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |
Series E Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Partners Equity of The Operating Partnership (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Preferential return |  |  |  |  |  |  |  |  | 6.90%us-gaap_PreferredStockDividendRatePercentage / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesEPreferredStockMember |  |  |
Preferred Stock, Liquidation Preference Per Share | $ 25.00 us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesEPreferredStockMember |  |  |  |  |  |  |  | $ 25.00 us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesEPreferredStockMember |  |  |
Class A Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Partners Equity of The Operating Partnership (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Redeemable Limited Partnership Units Potential Cash Redemption Value Closing Market Price | $ 15.98 us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember |  |  |  | $ 14.09 us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember |  |  |  | $ 15.98 us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember | $ 14.09 us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember | $ 12.19 us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember |
Limited Partners' Capital Account, Units Outstanding | 1,535,102 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember |  |  |  | 1,763,739 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember |  |  |  | 1,535,102 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember | 1,763,739 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = bdn_ClassUnitsMember |  |
Offering Program [Member] |  |  |  |  |  |  |  |  |  |  |  |
Partners Equity of The Operating Partnership (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Shares Authorized For Equity Offering Program |  |  |  |  |  |  |  |  |  |  |  | 16,000,000 bdn_SharesAuthorizedForEquityOfferingProgram / us-gaap_StatementClassOfStockAxis = bdn_OfferingProgramMember
Remaining Shares Available For Sales | 16,000,000 bdn_RemainingSharesAvailableForSales / us-gaap_StatementClassOfStockAxis = bdn_OfferingProgramMember |  |  |  |  |  |  |  | 16,000,000 bdn_RemainingSharesAvailableForSales / us-gaap_StatementClassOfStockAxis = bdn_OfferingProgramMember |  |  |
BRANDYWINE OPERATING PARTNERSHIP, L.P. |  |  |  |  |  |  |  |  |  |  |  |
Earnings per Common Partnership Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 6,024,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 38,982,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (37,309,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Income Loss From Continuing Operations Including Portion Attributable To Non controlling Interest Diluted |  |  |  |  |  |  |  |  | 6,024,000 bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 38,982,000 bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (37,309,000)bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Amount allocated to unvested restricted shareholders |  |  |  |  |  |  |  |  | 349,000 us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 363,000 us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 376,000 us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Amount allocated to unvested restricted shareholders, Diluted |  |  |  |  |  |  |  |  | (349,000)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (363,000)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (376,000)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Preferred share/unit dividends, Basic |  |  |  |  |  |  |  |  | (6,900,000)us-gaap_DividendsPreferredStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (6,900,000)us-gaap_DividendsPreferredStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (10,405,000)us-gaap_DividendsPreferredStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Preferred share/unit dividends, Diluted |  |  |  |  |  |  |  |  | (6,900,000)bdn_PreferredStockDividendsDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (6,900,000)bdn_PreferredStockDividendsDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (10,405,000)bdn_PreferredStockDividendsDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, Redeemable |  |  |  |  |  |  |  |  | (44,000)us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersRedeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersRedeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersRedeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, Redeemable, Diluted |  |  |  |  |  |  |  |  | (44,000)bdn_NoncontrollingInterestinNetIncomeLossJointVenturePartnersRedeemableDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 bdn_NoncontrollingInterestinNetIncomeLossJointVenturePartnersRedeemableDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 bdn_NoncontrollingInterestinNetIncomeLossJointVenturePartnersRedeemableDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Preferred share/unit redemption premium, basic |  |  |  |  |  |  |  |  | 0 us-gaap_RedemptionPremium / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 us-gaap_RedemptionPremium / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (4,052,000)us-gaap_RedemptionPremium / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Preferred share/unit redemption Premium, Diluted |  |  |  |  |  |  |  |  | 0 bdn_RedemptionPremiumDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 bdn_RedemptionPremiumDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (4,052,000)bdn_RedemptionPremiumDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Income Loss from continuing operations available to common shareholders/unitholders, Basic |  |  |  |  |  |  |  |  | (1,181,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 31,719,000 bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (52,142,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Income Loss from continuing operations available to common shareholders Diluted |  |  |  |  |  |  |  |  | (1,181,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 31,719,000 bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (52,142,000)bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Discontinued operations attributable to common unitholders |  |  |  |  |  |  |  |  | 918,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 4,207,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 43,838,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Discontinued operations attributable to common unitholders, Diluted |  |  |  |  |  |  |  |  | 918,000 bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 4,207,000 bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 43,838,000 bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Net Income (Loss) Available to Common Stockholders, Basic |  |  |  |  |  |  |  |  | (263,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 35,926,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (8,304,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Net Income (Loss) Available to Common Stockholders, Diluted |  |  |  |  |  |  |  |  | (263,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 35,926,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (8,304,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements |  |  |  |  |  |  |  |  | 0 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 1,273,853 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Income (Loss) from continuing operations attributable to common shareholders/unitholders, Basic |  |  |  |  |  |  |  |  | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ (0.36)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Income (Loss) from Continuing Operations, Per Diluted Share |  |  |  |  |  |  |  |  | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ (0.36)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Discontinued operations attributable to common shareholders/unitholders, Basic |  |  |  |  |  |  |  |  | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.30 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Discontinued operations attributable to common shareholders, Diluted |  |  |  |  |  |  |  |  | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.30 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Net income (loss) attributable to common shareholders/unitholders, Basic |  |  |  |  |  |  |  |  | $ 0.00 us-gaap_EarningsPerShareBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.23 us-gaap_EarningsPerShareBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ (0.06)us-gaap_EarningsPerShareBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Net income (loss) attributable to common shareholders/unitholders, Diluted |  |  |  |  |  |  |  |  | $ 0.00 us-gaap_EarningsPerShareDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.23 us-gaap_EarningsPerShareDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ (0.06)us-gaap_EarningsPerShareDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Partners Equity of The Operating Partnership (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable, Amount | 28,871,000 us-gaap_DividendsPayableCurrentAndNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  |  |  | 25,584,000 us-gaap_DividendsPayableCurrentAndNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  |  |  | 28,871,000 us-gaap_DividendsPayableCurrentAndNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 25,584,000 us-gaap_DividendsPayableCurrentAndNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  |
Percentage of Preferential return |  |  |  |  |  |  |  |  | 6.90%us-gaap_PreferredStockDividendRatePercentage / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 6.90%us-gaap_PreferredStockDividendRatePercentage / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  |
Weighted-average shares/units outstanding, Basic |  |  |  |  |  |  |  |  | 167,942,246 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 154,929,545 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 145,883,217 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Weighted-average shares/units outstanding, Diluted |  |  |  |  |  |  |  |  | 167,942,246 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 156,203,398 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 145,883,217 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Partners Equity of The Operating Partnership (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Fees and Commissions |  |  |  |  |  |  |  |  | $ 0.02 us-gaap_FeesAndCommissions / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |

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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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