0000910108 2017-01-01 2017-12-31 0000910108 2018-02-22 0000910108 lxp:LCIFMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember 2018-02-22 0000910108 lxp:LCIFMember 2017-06-30 0000910108 2017-06-30 0000910108 2017-12-31 0000910108 2016-12-31 0000910108 2015-01-01 2015-12-31 0000910108 2016-01-01 2016-12-31 0000910108 us-gaap:AdditionalPaidInCapitalMember 2015-01-01 2015-12-31 0000910108 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2015-12-31 0000910108 us-gaap:PreferredStockMember 2014-12-31 0000910108 us-gaap:NoncontrollingInterestMember 2015-12-31 0000910108 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2015-01-01 2015-12-31 0000910108 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2015-12-31 0000910108 us-gaap:CommonStockMember 2015-12-31 0000910108 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2015-01-01 2015-12-31 0000910108 us-gaap:NoncontrollingInterestMember 2015-01-01 2015-12-31 0000910108 us-gaap:PreferredStockMember 2015-12-31 0000910108 us-gaap:CommonStockMember 2014-12-31 0000910108 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2014-12-31 0000910108 2015-12-31 0000910108 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2014-12-31 0000910108 us-gaap:AdditionalPaidInCapitalMember 2015-12-31 0000910108 us-gaap:AdditionalPaidInCapitalMember 2014-12-31 0000910108 us-gaap:CommonStockMember 2015-01-01 2015-12-31 0000910108 us-gaap:NoncontrollingInterestMember 2014-12-31 0000910108 2014-12-31 0000910108 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2016-01-01 2016-12-31 0000910108 us-gaap:CommonStockMember 2016-12-31 0000910108 us-gaap:AdditionalPaidInCapitalMember 2016-01-01 2016-12-31 0000910108 us-gaap:NoncontrollingInterestMember 2016-01-01 2016-12-31 0000910108 us-gaap:CommonStockMember 2016-01-01 2016-12-31 0000910108 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2016-12-31 0000910108 us-gaap:NoncontrollingInterestMember 2016-12-31 0000910108 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2016-12-31 0000910108 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2016-01-01 2016-12-31 0000910108 us-gaap:AdditionalPaidInCapitalMember 2016-12-31 0000910108 us-gaap:PreferredStockMember 2016-12-31 0000910108 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2017-01-01 2017-12-31 0000910108 us-gaap:CommonStockMember 2017-01-01 2017-12-31 0000910108 us-gaap:PreferredStockMember 2017-12-31 0000910108 us-gaap:AdditionalPaidInCapitalMember 2017-01-01 2017-12-31 0000910108 us-gaap:NoncontrollingInterestMember 2017-01-01 2017-12-31 0000910108 us-gaap:CommonStockMember 2017-12-31 0000910108 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2017-12-31 0000910108 us-gaap:NoncontrollingInterestMember 2017-12-31 0000910108 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2017-01-01 2017-12-31 0000910108 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2017-12-31 0000910108 us-gaap:AdditionalPaidInCapitalMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2017-01-01 2017-12-31 0000910108 us-gaap:BuildingAndBuildingImprovementsMember 2017-01-01 2017-12-31 0000910108 lxp:LakeJacksonTexasMember us-gaap:OfficeBuildingMember us-gaap:AffiliatedEntityMember us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2017-01-01 2017-12-31 0000910108 us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2016-12-31 0000910108 us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2017-12-31 0000910108 lxp:LakeJacksonTexasMember us-gaap:OfficeBuildingMember 2017-01-01 2017-12-31 0000910108 lxp:DevelopmentDealsMember 2016-01-01 2016-12-31 0000910108 us-gaap:AboveMarketLeasesMember 2016-12-31 0000910108 us-gaap:CustomerRelationshipsMember 2016-12-31 0000910108 us-gaap:CustomerRelationshipsMember 2017-12-31 0000910108 us-gaap:LeasesAcquiredInPlaceMember 2016-12-31 0000910108 us-gaap:LeasesAcquiredInPlaceMember 2017-12-31 0000910108 us-gaap:AboveMarketLeasesMember 2017-12-31 0000910108 lxp:DetroitMichiganMember us-gaap:IndustrialPropertyMember 2016-12-31 0000910108 us-gaap:LeasesAcquiredInPlaceMember 2016-01-01 2016-12-31 0000910108 lxp:LakeJacksonTexasMember us-gaap:OfficeBuildingMember 2016-12-31 0000910108 lxp:RomeovilleIllinoisMember us-gaap:IndustrialPropertyMember 2016-12-31 0000910108 lxp:WilsonvilleOregonMember us-gaap:IndustrialPropertyMember 2016-12-31 0000910108 lxp:EdwardsvilleIllinoisMember us-gaap:IndustrialPropertyMember 2016-12-31 0000910108 lxp:WilsonvilleOregonMember us-gaap:IndustrialPropertyMember 2016-01-01 2016-12-31 0000910108 lxp:LakeJacksonTexasMember us-gaap:OfficeBuildingMember 2016-01-01 2016-12-31 0000910108 lxp:AndersonSouthCarolinaMember us-gaap:IndustrialPropertyMember 2016-01-01 2016-12-31 0000910108 us-gaap:LeasesAcquiredInPlaceMarketAdjustmentMember 2016-01-01 2016-12-31 0000910108 lxp:DetroitMichiganMember us-gaap:IndustrialPropertyMember 2016-01-01 2016-12-31 0000910108 lxp:AndersonSouthCarolinaMember us-gaap:IndustrialPropertyMember 2016-12-31 0000910108 lxp:EdwardsvilleIllinoisMember us-gaap:IndustrialPropertyMember 2016-01-01 2016-12-31 0000910108 lxp:RomeovilleIllinoisMember us-gaap:IndustrialPropertyMember 2016-01-01 2016-12-31 0000910108 lxp:LakeJacksonTexasMember us-gaap:OfficeBuildingMember 2017-12-31 0000910108 lxp:LafayetteIndianaMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:ClevelandTennesseeMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:SanAntonioTexasMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:NewCenturyKansasMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:LebanonIndianaMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:GrandPrairieTexasMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:LebanonIndianaMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:McDonoughGeorgiaMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:ClevelandTennesseeMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:WinchesterVirginiaMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:SmyrnaTennesseeMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 us-gaap:LeasesAcquiredInPlaceMarketAdjustmentMember 2017-01-01 2017-12-31 0000910108 lxp:CharlotteNorthCarolinaMember us-gaap:OfficeBuildingMember 2017-12-31 0000910108 lxp:SanAntonioTexasMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:OpelikaAlabamaMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:RomulusMichiganMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:ByhaliaMississippiMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:ByhaliaMississippiMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:WinchesterVirginiaMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:WarrenMichiganMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:OpelikaAlabamaMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:GrandPrairieTexasMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:JacksonTennesseeMember us-gaap:IndustrialPropertyMember 2017-12-31 0000910108 lxp:CharlotteNorthCarolinaMember us-gaap:OfficeBuildingMember 2017-01-01 2017-12-31 0000910108 lxp:McDonoughGeorgiaMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:JacksonTennesseeMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:RomulusMichiganMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:NewCenturyKansasMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 us-gaap:LeasesAcquiredInPlaceMember 2017-01-01 2017-12-31 0000910108 lxp:SmyrnaTennesseeMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:WarrenMichiganMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:LafayetteIndianaMember us-gaap:IndustrialPropertyMember 2017-01-01 2017-12-31 0000910108 lxp:MortgagesAndNotesPayableMember 2017-01-01 2017-12-31 0000910108 lxp:SeniorNotesConvertibleNotesandTrustPreferredSecuritiesMember 2017-01-01 2017-12-31 0000910108 lxp:NewYorkNewYorkMember us-gaap:LandMember 2016-01-01 2016-12-31 0000910108 lxp:KennewickWashingtonMember 2017-01-01 2017-12-31 0000910108 lxp:OklahomaCityOklahomaMember lxp:TenantinCommonMember 2017-01-01 2017-12-31 0000910108 lxp:OklahomaCityOklahomaMember lxp:TenantinCommonMember 2015-06-30 0000910108 lxp:KennewickWashingtonMember 2017-12-31 0000910108 lxp:OklahomaCityOklahomaMember 2016-12-31 0000910108 lxp:KennewickWashingtonMember 2016-01-01 2016-12-31 0000910108 lxp:OklahomaCityOklahomaMember 2016-01-01 2016-12-31 0000910108 lxp:KennewickWashingtonMember 2016-12-31 0000910108 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsRecurringMember 2016-12-31 0000910108 us-gaap:FairValueMeasurementsNonrecurringMember 2016-12-31 0000910108 us-gaap:FairValueMeasurementsRecurringMember 2016-12-31 0000910108 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsNonrecurringMember 2016-12-31 0000910108 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsRecurringMember 2016-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsRecurringMember 2016-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsNonrecurringMember 2016-12-31 0000910108 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsNonrecurringMember 2016-12-31 0000910108 us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsRecurringMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsRecurringMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsRecurringMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 us-gaap:FairValueMeasurementsRecurringMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:CarryingReportedAmountFairValueDisclosureMember 2016-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:CarryingReportedAmountFairValueDisclosureMember 2017-12-31 0000910108 us-gaap:FairValueInputsLevel3Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2016-12-31 0000910108 lxp:LexingtonRealityAdvisorsIncMember 2016-01-01 2016-12-31 0000910108 lxp:HoustonTexasMember 2017-01-01 2017-12-31 0000910108 lxp:JointVentureMember lxp:HoustonTexasMember 2017-12-31 0000910108 lxp:OklahomaCityOklahomaMember lxp:TenantinCommonMember 2017-02-01 2017-02-28 0000910108 us-gaap:MaximumMember 2017-12-31 0000910108 lxp:OklahomaCityOklahomaMember lxp:TenantinCommonMember 2017-01-31 0000910108 lxp:JointVentureMember 2017-01-01 2017-12-31 0000910108 us-gaap:MinimumMember 2017-12-31 0000910108 lxp:LexingtonRealityAdvisorsIncMember 2017-01-01 2017-12-31 0000910108 lxp:JointVentureMember 2017-12-31 0000910108 lxp:RussellvilleArkansasMember us-gaap:OfficeBuildingMember 2016-01-01 2016-01-31 0000910108 lxp:LexingtonRealtyTrustMember 2017-12-31 0000910108 lxp:PalmBeachGardensFloridaMember 2017-01-01 2017-12-31 0000910108 lxp:HoustonTexasMember 2014-11-01 2016-12-31 0000910108 lxp:HoustonTexasMember lxp:JointVentureMember 2017-12-31 0000910108 lxp:LexingtonRealityAdvisorsIncMember 2015-01-01 2015-12-31 0000910108 lxp:MortgagesAndNotesPayableMember 2016-12-31 0000910108 lxp:MortgagesAndNotesPayableMember 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringAugust2020Member us-gaap:MinimumMember 2017-01-01 2017-12-31 0000910108 lxp:MortgagesAndNotesPayableMember us-gaap:MinimumMember 2017-12-31 0000910108 lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:MaximumMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringJanuary2019Member us-gaap:InterestRateSwapMember 2017-12-31 0000910108 lxp:MortgagesAndNotesPayableMember us-gaap:MaximumMember 2016-12-31 0000910108 lxp:UnsecuredTermLoanExpiringJanuary2021Member lxp:UnsecuredTermLoanMember 2017-08-31 0000910108 lxp:MortgagesAndNotesPayableMember us-gaap:MaximumMember 2017-12-31 0000910108 lxp:UnsecuredCreditAgreementMember us-gaap:UnsecuredDebtMember 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringAugust2020Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:RevolvingCreditFacilityMember 2017-08-31 0000910108 lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:RevolvingCreditFacilityMember 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringJanuary2021Member us-gaap:MaximumMember 2017-01-01 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringJanuary2021Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:UnsecuredTermLoanMember 2016-12-31 0000910108 lxp:UnsecuredTermLoanExpiringFebruary2018Member us-gaap:InterestRateSwapMember 2017-12-31 0000910108 lxp:MortgagesAndNotesPayableMember 2016-01-01 2016-12-31 0000910108 lxp:UnsecuredTermLoanExpiringAugust2020Member lxp:UnsecuredTermLoanMember 2017-08-31 0000910108 lxp:UnsecuredTermLoanExpiringJanuary2021Member us-gaap:MinimumMember 2017-01-01 2017-12-31 0000910108 lxp:MortgagesAndNotesPayableMember us-gaap:MinimumMember 2016-12-31 0000910108 lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringFebruary2018Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:MortgagesAndNotesPayableMember 2015-01-01 2015-12-31 0000910108 lxp:UnsecuredTermLoanExpiringJanuary2019Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringAugust2020Member us-gaap:MaximumMember 2017-01-01 2017-12-31 0000910108 lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:MinimumMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 lxp:MortgagesNotesPayableCreditFacilityBorrowingsandTermLoansMember 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringJanuary2021Member lxp:UnsecuredTermLoanMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:RevolvingCreditFacilityMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 lxp:UnsecuredTermLoanExpiringAugust2020Member lxp:UnsecuredTermLoanMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 us-gaap:SeniorNotesMember 2016-12-31 0000910108 us-gaap:SeniorNotesMember 2017-12-31 0000910108 lxp:SeniorNotesDue2023Member us-gaap:SeniorNotesMember 2017-12-31 0000910108 lxp:SeniorNotesDue2023Member us-gaap:SeniorNotesMember 2016-12-31 0000910108 lxp:SeniorNotesDue2024Member us-gaap:SeniorNotesMember 2017-12-31 0000910108 lxp:SeniorNotesDue2024Member us-gaap:SeniorNotesMember 2016-12-31 0000910108 lxp:SeniorNotesConvertibleNotesandTrustPreferredSecuritiesMember 2017-12-31 0000910108 lxp:SixPointEightZeroFourPercentTrustPreferredSecuritiesMember 2007-12-31 0000910108 lxp:SixPercentConvertibleGuaranteedNoteMember us-gaap:ConvertibleDebtMember 2016-01-01 2016-12-31 0000910108 lxp:SixPercentConvertibleGuaranteedNoteMember us-gaap:ConvertibleDebtMember 2015-01-01 2015-12-31 0000910108 lxp:SixPointEightZeroFourPercentTrustPreferredSecuritiesMember 2017-12-31 0000910108 lxp:SixPointEightZeroFourPercentTrustPreferredSecuritiesMember 2016-12-31 0000910108 lxp:SixPercentConvertibleGuaranteedNoteMember us-gaap:ConvertibleDebtMember 2010-12-31 0000910108 lxp:SixPointEightZeroFourPercentTrustPreferredSecuritiesMember us-gaap:LondonInterbankOfferedRateLIBORMember 2007-01-01 2007-12-31 0000910108 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestExpenseMember 2016-01-01 2016-12-31 0000910108 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestExpenseMember 2017-01-01 2017-12-31 0000910108 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember us-gaap:DesignatedAsHedgingInstrumentMember 2017-12-31 0000910108 us-gaap:OtherAssetsMember us-gaap:InterestRateSwapMember us-gaap:DesignatedAsHedgingInstrumentMember 2016-12-31 0000910108 lxp:AccountsPayableAndOtherLiabilitiesMember us-gaap:InterestRateSwapMember us-gaap:DesignatedAsHedgingInstrumentMember 2016-12-31 0000910108 lxp:AccountsPayableAndOtherLiabilitiesMember us-gaap:InterestRateSwapMember us-gaap:DesignatedAsHedgingInstrumentMember 2017-12-31 0000910108 us-gaap:OtherAssetsMember us-gaap:InterestRateSwapMember us-gaap:DesignatedAsHedgingInstrumentMember 2017-12-31 0000910108 us-gaap:LeaseholdsAndLeaseholdImprovementsMember 2017-01-01 2017-12-31 0000910108 us-gaap:BuildingMember 2017-12-31 0000910108 us-gaap:BuildingMember 2015-01-01 2015-12-31 0000910108 us-gaap:LeaseholdsAndLeaseholdImprovementsMember 2016-01-01 2016-12-31 0000910108 us-gaap:BuildingMember 2016-01-01 2016-12-31 0000910108 us-gaap:BuildingMember 2017-01-01 2017-12-31 0000910108 us-gaap:LeaseholdsAndLeaseholdImprovementsMember 2015-01-01 2015-12-31 0000910108 us-gaap:LeaseholdsAndLeaseholdImprovementsMember 2017-12-31 0000910108 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2017-12-31 0000910108 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2016-12-31 0000910108 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2017-01-01 2017-12-31 0000910108 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2016-01-01 2016-12-31 0000910108 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2015-12-31 0000910108 lxp:AtMarketMember 2017-01-01 2017-12-31 0000910108 us-gaap:SeriesCPreferredStockMember 2017-01-01 2017-12-31 0000910108 us-gaap:SeriesCPreferredStockMember 2017-12-31 0000910108 lxp:PublicOfferingAndDirectSharePurchasePlanProceedsMember 2015-01-01 2015-12-31 0000910108 lxp:AtMarketMember 2015-01-01 2015-12-31 0000910108 lxp:PhiladelphiaPennsylvaniaMember us-gaap:OfficeBuildingMember lxp:JointVentureMember 2015-07-01 2015-07-31 0000910108 us-gaap:CommonStockMember 2015-07-31 0000910108 us-gaap:MinimumMember us-gaap:SeriesCPreferredStockMember 2017-01-01 2017-12-31 0000910108 lxp:AtMarketMember 2016-01-01 2016-12-31 0000910108 lxp:PublicOfferingAndDirectSharePurchasePlanProceedsMember 2016-01-01 2016-12-31 0000910108 lxp:Options2009Member 2017-01-01 2017-12-31 0000910108 lxp:Options2010Member 2017-01-01 2017-12-31 0000910108 lxp:Options2008Member 2017-01-01 2017-12-31 0000910108 us-gaap:PerformanceSharesMember 2017-01-01 2017-12-31 0000910108 lxp:Options2010Member us-gaap:ShareBasedCompensationAwardTrancheOneMember 2010-12-31 2010-12-31 0000910108 lxp:Options2008Member 2008-12-31 0000910108 lxp:Options2009Member 2010-01-08 0000910108 lxp:Options2008Member 2017-12-31 0000910108 lxp:Options2010Member 2010-12-31 0000910108 lxp:NonManagementAwardGrantMember 2017-01-01 2017-12-31 0000910108 lxp:Options2008Member us-gaap:MaximumMember 2008-12-31 0000910108 lxp:Options2008Member us-gaap:MinimumMember 2008-12-31 0000910108 lxp:NonVestedSharesMember 2017-12-31 0000910108 lxp:NonVestedSharesMember 2017-01-01 2017-12-31 0000910108 lxp:Options2009Member 2017-12-31 0000910108 lxp:NonManagementAwardGrantMember 2015-01-01 2015-12-31 0000910108 lxp:Options2008Member 2008-12-31 2008-12-31 0000910108 lxp:NonManagementAwardGrantMember 2016-01-01 2016-12-31 0000910108 lxp:Options2010Member 2017-12-31 0000910108 lxp:Options2009Member 2010-01-08 2010-01-08 0000910108 lxp:Options2009Member us-gaap:ShareBasedCompensationAwardTrancheOneMember 2010-01-08 2010-01-08 0000910108 lxp:Options2010Member 2010-12-31 2010-12-31 0000910108 lxp:SharesSubjectToPerformanceMember 2017-12-31 0000910108 lxp:SharesSubjectToTimeMember 2017-12-31 0000910108 lxp:ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingRateFirstVestingTriggerMember lxp:Options2008Member 2008-12-31 2008-12-31 0000910108 lxp:NonVestedSharesMember 2016-01-01 2016-12-31 0000910108 lxp:PeerPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheTwoMember 2016-01-01 2016-12-31 0000910108 lxp:IndexPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheTwoMember 2017-01-01 2017-12-31 0000910108 lxp:IndexPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheTwoMember 2016-01-01 2016-12-31 0000910108 lxp:PeerPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheTwoMember 2017-01-01 2017-12-31 0000910108 lxp:PeerPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheOneMember 2016-01-01 2016-12-31 0000910108 lxp:IndexPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheOneMember 2017-01-01 2017-12-31 0000910108 lxp:IndexPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheOneMember 2016-01-01 2016-12-31 0000910108 lxp:PeerPerformanceSharesMember us-gaap:ShareBasedCompensationAwardTrancheOneMember 2017-01-01 2017-12-31 0000910108 us-gaap:EmployeeStockOptionMember 2017-01-01 2017-12-31 0000910108 us-gaap:EmployeeStockOptionMember 2017-12-31 0000910108 us-gaap:EmployeeStockOptionMember 2016-12-31 0000910108 us-gaap:EmployeeStockOptionMember 2015-12-31 0000910108 us-gaap:EmployeeStockOptionMember 2016-01-01 2016-12-31 0000910108 lxp:NonVestedSharesMember 2016-12-31 0000910108 lxp:NonVestedSharesMember 2015-12-31 0000910108 lxp:Options2010Member us-gaap:ShareBasedCompensationAwardTrancheTwoMember 2010-12-31 2010-12-31 0000910108 lxp:Options2010Member us-gaap:ShareBasedCompensationAwardTrancheThreeMember 2010-12-31 2010-12-31 0000910108 lxp:Options2010Member lxp:SharebasedCompensationAwardTrancheFourMember 2010-12-31 2010-12-31 0000910108 lxp:Options2010Member lxp:SharebasedCompensationAwardTrancheFiveMember 2010-12-31 2010-12-31 0000910108 lxp:Options2009Member lxp:SharebasedCompensationAwardTrancheFourMember 2010-12-31 2010-12-31 0000910108 lxp:Options2009Member us-gaap:ShareBasedCompensationAwardTrancheThreeMember 2010-12-31 2010-12-31 0000910108 lxp:Options2009Member us-gaap:ShareBasedCompensationAwardTrancheTwoMember 2010-12-31 2010-12-31 0000910108 lxp:Options2009Member lxp:SharebasedCompensationAwardTrancheFiveMember 2010-12-31 2010-12-31 0000910108 lxp:VorandoRealtyTrustMember 2016-01-01 2016-12-31 0000910108 lxp:VorandoRealtyTrustMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:StructuringFeeMember us-gaap:AffiliatedEntityMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember us-gaap:AffiliatedEntityMember 2017-12-31 0000910108 lxp:VorandoRealtyTrustMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:ExpenseReimbursementMember us-gaap:AffiliatedEntityMember 2017-01-01 2017-12-31 0000910108 us-gaap:StateAndLocalJurisdictionMember 2016-01-01 2016-12-31 0000910108 us-gaap:StateAndLocalJurisdictionMember 2015-01-01 2015-12-31 0000910108 us-gaap:StateAndLocalJurisdictionMember 2017-01-01 2017-12-31 0000910108 us-gaap:SeriesCPreferredStockMember 2015-01-01 2015-12-31 0000910108 lxp:ReturnOfCapitalMember us-gaap:SeriesCPreferredStockMember 2017-01-01 2017-12-31 0000910108 lxp:OrdinaryIncomeMember us-gaap:SeriesCPreferredStockMember 2015-01-01 2015-12-31 0000910108 us-gaap:SeriesCPreferredStockMember 2016-01-01 2016-12-31 0000910108 lxp:OrdinaryIncomeMember us-gaap:SeriesCPreferredStockMember 2016-01-01 2016-12-31 0000910108 lxp:OrdinaryIncomeMember us-gaap:SeriesCPreferredStockMember 2017-01-01 2017-12-31 0000910108 lxp:FifteenPercentRateGainMember us-gaap:SeriesCPreferredStockMember 2016-01-01 2016-12-31 0000910108 lxp:FifteenPercentRateQualifyingDividendMember us-gaap:SeriesCPreferredStockMember 2017-01-01 2017-12-31 0000910108 lxp:FifteenPercentRateQualifyingDividendMember us-gaap:SeriesCPreferredStockMember 2016-01-01 2016-12-31 0000910108 lxp:FifteenPercentRateQualifyingDividendMember us-gaap:SeriesCPreferredStockMember 2015-01-01 2015-12-31 0000910108 lxp:FifteenPercentRateGainMember us-gaap:SeriesCPreferredStockMember 2015-01-01 2015-12-31 0000910108 lxp:ReturnOfCapitalMember us-gaap:SeriesCPreferredStockMember 2016-01-01 2016-12-31 0000910108 lxp:FifteenPercentRateGainMember us-gaap:SeriesCPreferredStockMember 2017-01-01 2017-12-31 0000910108 lxp:ReturnOfCapitalMember us-gaap:SeriesCPreferredStockMember 2015-01-01 2015-12-31 0000910108 us-gaap:CommonStockMember 2017-01-01 2017-12-31 0000910108 us-gaap:CommonStockMember 2015-01-01 2015-12-31 0000910108 lxp:OrdinaryIncomeMember us-gaap:CommonStockMember 2015-01-01 2015-12-31 0000910108 us-gaap:CommonStockMember 2016-01-01 2016-12-31 0000910108 lxp:FifteenPercentRateGainMember us-gaap:CommonStockMember 2017-01-01 2017-12-31 0000910108 lxp:ReturnOfCapitalMember us-gaap:CommonStockMember 2017-01-01 2017-12-31 0000910108 lxp:FifteenPercentRateQualifyingDividendMember us-gaap:CommonStockMember 2015-01-01 2015-12-31 0000910108 lxp:OrdinaryIncomeMember us-gaap:CommonStockMember 2017-01-01 2017-12-31 0000910108 lxp:FifteenPercentRateGainMember us-gaap:CommonStockMember 2016-01-01 2016-12-31 0000910108 lxp:ReturnOfCapitalMember us-gaap:CommonStockMember 2016-01-01 2016-12-31 0000910108 lxp:OrdinaryIncomeMember us-gaap:CommonStockMember 2016-01-01 2016-12-31 0000910108 lxp:ReturnOfCapitalMember us-gaap:CommonStockMember 2015-01-01 2015-12-31 0000910108 lxp:FifteenPercentRateQualifyingDividendMember us-gaap:CommonStockMember 2017-01-01 2017-12-31 0000910108 lxp:FifteenPercentRateQualifyingDividendMember us-gaap:CommonStockMember 2016-01-01 2016-12-31 0000910108 lxp:FifteenPercentRateGainMember us-gaap:CommonStockMember 2015-01-01 2015-12-31 0000910108 lxp:BridgewaterHillsCorporateCenterLLCMember us-gaap:MaximumMember 2015-09-16 0000910108 lxp:BridgewaterHillsCorporateCenterLLCMember 2017-10-06 2017-10-06 0000910108 us-gaap:SubsequentEventMember 2018-01-31 0000910108 lxp:BridgewaterHillsCorporateCenterLLCMember 2015-09-16 2015-09-16 0000910108 lxp:BridgewaterHillsCorporateCenterLLCMember 2017-01-01 2017-12-31 0000910108 lxp:ConveyedInterestMember 2016-01-01 2016-12-31 0000910108 lxp:InterestsSoldMember 2015-01-01 2015-12-31 0000910108 lxp:ConveyedInterestMember 2015-01-01 2015-12-31 0000910108 lxp:InterestsSoldMember 2016-01-01 2016-12-31 0000910108 lxp:ConveyedInterestMember 2017-01-01 2017-12-31 0000910108 2017-01-01 2017-03-31 0000910108 2017-07-01 2017-09-30 0000910108 2017-04-01 2017-06-30 0000910108 2017-10-01 2017-12-31 0000910108 2016-01-01 2016-03-31 0000910108 2016-04-01 2016-06-30 0000910108 2016-07-01 2016-09-30 0000910108 2016-10-01 2016-12-31 0000910108 us-gaap:SubsequentEventMember 2018-01-01 2018-02-27 0000910108 lxp:LCIFMember 2016-12-31 0000910108 lxp:LCIFMember 2017-12-31 0000910108 lxp:LCIFMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember us-gaap:GeneralPartnerMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember 2015-12-31 0000910108 lxp:LCIFMember 2014-12-31 0000910108 lxp:LCIFMember us-gaap:LimitedPartnerMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:BuildingAndBuildingImprovementsMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:WarrenMichiganMember 2017-12-31 0000910108 lxp:LCIFMember lxp:GrandPrairieTXMember 2017-12-31 0000910108 lxp:LCIFMember lxp:CharlotteNorthCarolinaMember 2017-12-31 0000910108 lxp:LCIFMember lxp:GrandPrairieTXMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:CharlotteNorthCarolinaMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:WarrenMichiganMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:RomeovilleIllinoisMember 2016-12-31 0000910108 lxp:LCIFMember lxp:RomeovilleIllinoisMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember us-gaap:LeasesAcquiredInPlaceMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:CustomerRelationshipsMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:AboveMarketLeasesMember 2016-12-31 0000910108 lxp:LCIFMember us-gaap:LeasesAcquiredInPlaceMember 2016-12-31 0000910108 lxp:LCIFMember us-gaap:AboveMarketLeasesMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:CustomerRelationshipsMember 2016-12-31 0000910108 lxp:LCIFMember lxp:NewYorkNewYorkMember us-gaap:LandMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember us-gaap:EquityMethodInvestmentsMember lxp:NetLeaseStrategicAssetsFundL.P.Member 2012-09-01 0000910108 lxp:LCIFMember us-gaap:EquityMethodInvestmentsMember lxp:NetLeaseStrategicAssetsFundL.P.Member 2012-09-01 2012-09-01 0000910108 lxp:LCIFMember us-gaap:EquityMethodInvestmentsMember lxp:NetLeaseStrategicAssetsFundL.P.Member 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember us-gaap:EquityMethodInvestmentsMember lxp:NetLeaseStrategicAssetsFundL.P.Member 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember lxp:PhiladelphiaPennsylvaniaMember us-gaap:OfficeBuildingMember 2014-07-31 0000910108 lxp:LCIFMember us-gaap:EquityMethodInvestmentsMember lxp:NetLeaseStrategicAssetsFundL.P.Member 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember us-gaap:EquityMethodInvestmentsMember lxp:NetLeaseStrategicAssetsFundL.P.Member 2016-12-31 0000910108 lxp:LCIFMember us-gaap:EquityMethodInvestmentsMember lxp:NetLeaseStrategicAssetsFundL.P.Member 2017-12-31 0000910108 lxp:LCIFMember lxp:PhiladelphiaPennsylvaniaMember us-gaap:OfficeBuildingMember 2014-07-01 2014-07-31 0000910108 lxp:LCIFMember us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsNonrecurringMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:FairValueInputsLevel3Member us-gaap:CarryingReportedAmountFairValueDisclosureMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:FairValueInputsLevel3Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:FairValueInputsLevel3Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2016-12-31 0000910108 lxp:LCIFMember us-gaap:FairValueInputsLevel3Member us-gaap:CarryingReportedAmountFairValueDisclosureMember 2016-12-31 0000910108 lxp:LCIFMember lxp:MortgagesAndNotesPayableMember 2016-12-31 0000910108 lxp:LCIFMember lxp:MortgagesAndNotesPayableMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringJanuary2021Member lxp:UnsecuredTermLoanMember 2017-08-31 0000910108 lxp:LCIFMember us-gaap:MaximumMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:MinimumMember 2016-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredCreditAgreementMember us-gaap:UnsecuredDebtMember 2017-09-30 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringAugust2020Member us-gaap:MaximumMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:MortgagesAndNotesPayableMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringFebruary2018Member us-gaap:InterestRateSwapMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringAugust2020Member lxp:UnsecuredTermLoanMember 2017-08-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringFebruary2018Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:MaximumMember 2017-01-01 2017-09-30 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringJanuary2021Member us-gaap:MaximumMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember us-gaap:MaximumMember 2016-12-31 0000910108 lxp:LCIFMember us-gaap:MinimumMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringJanuary2019Member us-gaap:InterestRateSwapMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringAugust2020Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringJanuary2019Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringAugust2020Member us-gaap:MinimumMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member lxp:UnsecuredRevolvingCreditFacilityMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:RevolvingCreditFacilityMember 2017-08-31 0000910108 lxp:LCIFMember lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:MinimumMember 2017-01-01 2017-09-30 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringJanuary2021Member lxp:UnsecuredTermLoanMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringJanuary2021Member us-gaap:MinimumMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:MortgagesNotesPayableandCoborrowerDebtMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:RevolvingCreditFacilityMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringAugust2020Member lxp:UnsecuredTermLoanMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredRevolvingCreditFacilityExpiringAugust2019Member us-gaap:RevolvingCreditFacilityMember 2017-12-31 0000910108 lxp:LCIFMember lxp:UnsecuredTermLoanExpiringJanuary2021Member lxp:UnsecuredTermLoanMember us-gaap:LondonInterbankOfferedRateLIBORMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember us-gaap:HotelMember 2017-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:ALStoneGroundTenantLLCMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:PreferredFreezerServicesofRichlandLLCMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:TribecaAscottLLCMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:ALStoneGroundTenantLLCMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:ALStoneGroundTenantLLCMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:TribecaAscottLLCMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:SMAscottLLCMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:SMAscottLLCMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:TribecaAscottLLCMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:SMAscottLLCMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:PreferredFreezerServicesofRichlandLLCMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:TenantConcentrationRiskMember lxp:PreferredFreezerServicesofRichlandLLCMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember lxp:LexingtonRealtyTrustMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember us-gaap:GeneralPartnerMember lxp:LexingtonRealtyTrustMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:LexingtonRealtyTrustMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember lxp:VorandoRealtyTrustMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:LexingtonRealtyTrustMember 2017-12-31 0000910108 lxp:LCIFMember lxp:LexingtonRealtyTrustMember 2015-01-01 2015-12-31 0000910108 lxp:LCIFMember lxp:LexingtonRealtyTrustMember 2016-12-31 0000910108 lxp:LCIFMember lxp:VorandoRealtyTrustMember 2016-01-01 2016-12-31 0000910108 lxp:LCIFMember lxp:VorandoRealtyTrustMember 2017-01-01 2017-12-31 0000910108 lxp:SeniorNotesDue2024Member us-gaap:SeniorNotesMember 2014-05-01 2014-05-31 0000910108 lxp:SeniorNotesDue2023Member us-gaap:SeniorNotesMember 2013-06-30 0000910108 lxp:LCIFMember lxp:SeniorNotesDue2024Member us-gaap:FinancialGuaranteeMember us-gaap:SeniorNotesMember 2014-05-31 0000910108 lxp:LCIFMember lxp:SeniorNotesDue2023Member us-gaap:FinancialGuaranteeMember us-gaap:SeniorNotesMember 2013-06-30 0000910108 lxp:SeniorNotesDue2024Member us-gaap:SeniorNotesMember 2014-05-31 0000910108 lxp:SeniorNotesDue2023Member us-gaap:SeniorNotesMember 2013-06-01 2013-06-30 0000910108 lxp:LCIFMember 2017-01-01 2017-03-31 0000910108 lxp:LCIFMember 2017-04-01 2017-06-30 0000910108 lxp:LCIFMember 2017-07-01 2017-09-30 0000910108 lxp:LCIFMember 2017-10-01 2017-12-31 0000910108 lxp:LCIFMember 2016-04-01 2016-06-30 0000910108 lxp:LCIFMember 2016-10-01 2016-12-31 0000910108 lxp:LCIFMember 2016-07-01 2016-09-30 0000910108 lxp:LCIFMember 2016-01-01 2016-03-31 0000910108 us-gaap:OfficeBuildingMember lxp:BatonRougeLouisianaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:TucsonArizonaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:OverlandParkKansasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:OmahaNEOfficeAcquiredDec13Member lxp:OmahaNebraskaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:HoustonTXOfficeAcquiredApr05Property2Member lxp:HoustonTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:KansasCityMissouriMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:ColumbusOHOfficeAcquiredJul11Member lxp:ColumbusOhioMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:McDonoughGAOfficeAcquiredSep12Property2Member lxp:McDonoughGeorgiaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:CentenialColoradoMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:LenexaKSOfficeAcquiredJul08Member lxp:LenexaKansasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:PaloAltoCaliforniaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:WallingfordConnecticutMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:KnoxvilleTNOfficeAcquiredSep12Member lxp:KnoxvilleTennesseeMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:ArlingtonTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:ColumbusOHOfficeAcquiredDec10Member lxp:ColumbusOhioMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:LenexaKSOfficeAcquiredSep12Member lxp:LenexaKansasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:PhoenixArizonaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:WhippanyNewJerseyMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:JessupPennsylvaniaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:WallNewJerseyMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:HoustonTXOfficeAcquiredApr05Member lxp:HoustonTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:PhiladelphiaPennsylvaniaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:EnglewoodColoradoMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:FlorenceSouthCarolinaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:OaklandMaineMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:McDonoughGAOfficeAcquiredSep12Member lxp:McDonoughGeorgiaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:LouisvilleColoradoMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:AllenTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:CarrolltonTXOfficeAcquiredJun07Member lxp:CarrolltonTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:SaintJosephMissouriMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:KnoxvilleTNOfficeAcquiredMar05Member lxp:KnoxvilleTennesseeMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:IndianapolisIndianaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:OmahaNEOfficeAcquiredNov05Member lxp:OmahaNebraskaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:FortMillSCOfficeAcquiredNov04Member lxp:FortMillSouthCarolinaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:PascagoulaMississippiMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:ParachuteColoradoMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:EugeneOregonMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:SchaumburgIllinoisMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:GlendaleArizonaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:MeridianIdahoMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:LasVegasNevadaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:MemphisTennesseeMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:RedmondOregonMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:KingsportTennesseeMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:LivoniaMichiganMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:WestervilleOhioMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:CarrolltonTXOfficeAcquiredJun07Property2Member lxp:CarrolltonTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:RockawayNewJerseyMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:AuburnHillMichiganMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:OrlandoFloridaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:FortMillSCOfficeAcquiredDec02Member lxp:FortMillSouthCarolinaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:ColumbusIndianaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:TempeArizonaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:CharlotteNorthCarolinaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:BocaRatonFloridaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:GrandPrairieTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MarshallMIIndustrialAcquiredAug87Member lxp:MarshallMichiganMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:RomeovilleIllinoisMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ShreveportLAIndustrialAcquiredJun12Member lxp:ShreveportLouisianaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:WilsonvilleOregonMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:LewisburgTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:OrlandoFloridaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:FlorenceSouthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ArlingtonTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:OliveBranchMississippiMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:McDonoughGAIndustrialAcquiredDec06Member lxp:McDonoughGeorgiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:AnnistonAlabamaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MarshallMIIndustrialAcquiredSep12Member lxp:MarshallMichiganMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:GlenwillowOhioMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:BrookshireTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:RockfordILIndustrialAcquiredDec06Property2Member lxp:RockfordIllinoisMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:StatesvilleNorthCarolinaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:ThomasvilleNorthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ThomsonGeorgiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:OwensboroKYIndustrialAcquiredDec06Member lxp:OwensboroKentuckyMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:HoustonTXIndustrialAcquiredMar13Member lxp:HoustonTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:OakCreekWisconsinMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MillingtonTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:OwensboroKYIndustrialAcquiredJun05Member lxp:OwensboroKentuckyMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:HebronOHIndustrialAcquiredDec97Member lxp:HebronOhioMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:BaltimoreMDOtherAcquiredDec15Member lxp:BaltimoreMarylandMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:ParisTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:DryRidgeKentuckyMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ElizabethtownKYIndustrialAcquiredJun05Property2Member lxp:ElizabethtownKentuckyMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:DuncanSouthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:HopkinsvilleKentuckyMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:RomulusMichiganMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MemphisTNIndustrialAcquiredFeb88Member lxp:MemphisTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:CantonMississippiMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:RockfordILIndustrialAcquiredDec06Member lxp:RockfordIllinoisMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:GalesburgIllinoisMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:FairleaWestVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MissouriCityTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:LaurensSouthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:CincinnatiOhioMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:AntiochTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:RichlandWashingtonMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:NorthBerwickMaineMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:ChattanoogaTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:CrossvilleTennesseeMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:MidlothianVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:LafayetteIndianaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:MissionTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:RantoulIllinoisMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:FranklinTennesseeMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:DanvilleVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:DurhamNewHampshireMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ByhaliaMSIndustrialPropertyAcquiredMay11Member lxp:ByhaliaMississippiMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MinneapolisMinnesotaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:WatertownNewYorkMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ByhaliaMSIndustrialPropertyAcquiredSep17Member lxp:ByhaliaMississippiMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:HamptonVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:LavoniaGeorgiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:HoustonTXIndustrialAcquiredMar15Member lxp:HoustonTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:HerndonVAOfficeAcquiredJun07Member lxp:HerndonVirginiaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:HoustonTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ElizabethtownKYIndustrialAcquiredJun05Member lxp:ElizabethtownKentuckyMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:WarrenMichiganMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:KalamazooMichiganMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ClevelandTennesseeMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:HonoluluHawaiiMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:OpelikaAlabamaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:WestlakeTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:WinchesterVAIndustrialAcquiredDec17Member lxp:WinchesterVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MemphisTNIndustrialAcquiredDec06Member lxp:MemphisTennesseeMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:HuntingtonWestVirginiaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:AlbanyGeorgiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ShelbyNorthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:McDonoughGAIndustrialAcquiredAug17Member lxp:McDonoughGeorgiaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:PhoenixArizonaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:RichmondVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ShreveportLAIndustrialAcquiredMar07Member lxp:ShreveportLouisianaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:IrvingTXOfficeAcquiredJun07Member lxp:IrvingTexasMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:MantecaCaliforniaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:SanAntonioTexasMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:HoustonTXOfficeAcquiredMar04Member lxp:HoustonTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:SmyrnaTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ChesterSouthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:BingenWashingtonMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:BristolPennsylvaniaMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:IrvingTXOfficeAcquiredMay07Member lxp:IrvingTexasMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:LawrenceIndianaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:EdwardsvilleIllinoisMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:JeffersonNorthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:PlymouthMichiganMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:LawtonOklahomaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:TampaFloridaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:JacksonTennesseeMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:LumbertonNorthCarolinaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:SanDiegoCaliforniaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:FarmersBranchTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:NorthLasVegasNevadaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:CharlestonSouthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:SanAntonioTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:HebronOHIndustrialAcquiredDec01Member lxp:HebronOhioMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:HendersonNorthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:DetroitMichiganMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:AndersonSouthCarolinaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ColumbusOhioMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:LongIslandCityNewYorkMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:HerndonVAOfficeAcquiredDec99Member lxp:HerndonVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:MoodyAlabamaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:LebanonIndianaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:NewCenturyKansasMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:VinelandNewJerseyMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:StreetsboroOhioMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:PlymouthIndianaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:WinchesterVAIndustrialAcquiredJun07Member lxp:WinchesterVirginiaMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ErwinNewYorkMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:VeniceFloridaMember 2017-12-31 0000910108 us-gaap:OtherPropertyMember lxp:BaltimoreMDOtherAcquiredDec06Member lxp:BaltimoreMarylandMember 2017-12-31 0000910108 us-gaap:OfficeBuildingMember lxp:LakeJacksonTexasMember 2017-12-31 0000910108 us-gaap:IndustrialPropertyMember lxp:ChillicotheOhioMember 2017-12-31 0000910108 us-gaap:BuildingAndBuildingImprovementsMember us-gaap:MaximumMember 2017-01-01 2017-12-31 0000910108 us-gaap:LandMember us-gaap:MaximumMember 2017-01-01 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:TampaFloridaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OtherPropertyMember lxp:CharlestonSouthCarolinaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:HebronOHIndustrialAcquiredDec97Member lxp:HebronOhioMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:LouisvilleColoradoMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:HerndonVirginiaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:BatonRougeLouisianaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:PhoenixArizonaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:MoodyAlabamaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:ByhaliaMississippiMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:OverlandParkKansasMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:ShelbyNorthCarolinaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:WarrenMichiganMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:RichlandWashingtonMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:FortMillSCOfficeAcquiredNov04Member lxp:FortMillSouthCarolinaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:HebronOHIndustrialAcquiredDec01Member lxp:HebronOhioMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:CentenialColoradoMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:BristolPennsylvaniaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:MarshallMichiganMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:GrandPrairieTXMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:CarrolltonTXOfficeAcquiredJun07Property2Member lxp:CarrolltonTexasMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:CharlotteNorthCarolinaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:WallingfordConnecticutMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:WestlakeTexasMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OtherPropertyMember lxp:VinelandNewJerseyMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OtherPropertyMember lxp:FlorenceSouthCarolinaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OtherPropertyMember lxp:AlbanyGeorgiaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:OliveBranchMississippiMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:IndustrialPropertyMember lxp:RomeovilleIllinoisMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OtherPropertyMember lxp:HonoluluHawaiiMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:SchaumburgIllinoisMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:BocaRatonFloridaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:FortMillSCOfficeAcquiredDec02Member lxp:FortMillSouthCarolinaMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:OfficeBuildingMember lxp:CarrolltonTXOfficeAcquiredJun07Member lxp:CarrolltonTexasMember 2017-12-31 0000910108 lxp:LCIFMember us-gaap:BuildingAndBuildingImprovementsMember us-gaap:MaximumMember 2017-01-01 2017-12-31 lxp:building lxp:Property lxp:segment lxp:state iso4217:USD xbrli:shares iso4217:USD xbrli:pure xbrli:shares utreg:acre lxp:Financial_Instrument lxp:executive_officer lxp:property lxp:hotel false false --12-31 --12-31 FY FY 2017 2017 2017-12-31 2017-12-31 10-K 10-K 0000910108 0000790877 240767878 0 Yes Yes Large Accelerated Filer Non-accelerated Filer 2328797004 0 LEXINGTON REALTY TRUST LEPERCQ CORPORATE INCOME FUND L.P. No No Yes Yes 505000000 1.25 28099000 28099000 21737000 21736000 1000 24673000 24673000 2961543 2534835 2360052 4 81000 1737000 0.010 0 59000 0 529000 672000 0.99026 0.99883 P4Y 21498000 -532000 7388000 5938000 13346000 0 191000 0 25957000 2827000 58361000 64319000 61072000 3688000 3404000 3242000 35021000 25240000 -33000 3562000 -4733000 6305000 0 0.84 0.80 0.77 0 0 15801000 15801000 0 0 2090000 2090000 0 0 7829000 7829000 36832000 787000 100236000 72072000 44996000 12061000 36832000 787000 100236000 72072000 44996000 12061000 103418000 89109000 79067000 1682000 0 0 1682000 0 0 0 3815621 3693144 0 0 0 0.25 250945000 40167000 45011000 25009000 34251000 74127000 40167000 32380000 625933000 107570000 47064000 17985000 42521000 31236000 47064000 29743000 17985000 49026000 15578000 67323000 29443000 52762000 13198000 33183000 33786000 36644000 93940000 42521000 32501000 2010000000 2010000000 0.0875 0.94 103418000 88950000 79214000 12000000 P20D 4 2 0 1 0 4.97 795000 -64139000 -3298000 168615000 32780 48549 140746 1.13 1.13 0 4016000 0 2.4339 96770000 0 -58000000 180000000 1629000 9232000 0 4237118000 876406000 4535550000 911103000 79964000 56686000 2 0 3 3 1 343976000 787000 527597000 379821000 270241000 60221000 1.13 P3Y7M6D P5Y P5Y P6M P6M P3Y 679000 1252000 1598000 10 8 171001000 167313000 3688000 171086000 167682000 3404000 177583000 174341000 3242000 125000000 0.0000 0.0000 0.0000 0.0000 0.6307 1.0000 0.3693 0.0000 1 1 0.0000 0.0000 0.0022 0.0022 0.9673 0.9978 0.0305 0.0000 1 1 0.0000 0.0000 0.0015 0.0025 0.5993 0.9975 0.3992 0.0000 1 1 1 59601000 3559000 38644000 8748000 7516000 358000 5450000 365000 1500966000 1589724000 -1939000 -1033000 1065000 -1033000 1065000 P14Y11M P16Y1M6D P16Y7M6D P15Y11M P14Y11M P12Y2M 2800736000 2818520000 14723000 3214000 16610000 3233000 8201000 8415000 8333000 0 -159000 147000 151 6802000 3441467000 728604000 899801000 3553020000 767713000 766025000 23808000 2827000 31309000 3180000 26081000 355000 1526000 32000 1113000 0 1143000 0 1235000 0 1261000 0 2015000 0 0 0 0 0 2015000 2790000 0 0 0 0 0 0 0 0 0 2790000 0 0 0 0 0 0 28416000 64000 23308000 32000 836000 359000 2171000 343000 310128000 52700000 61347000 29697000 44800000 78484000 52700000 43100000 727581000 132611000 61339000 24317000 46955000 36590000 61339000 34400000 24317000 57920000 17450000 70401000 36194000 66700000 12056000 37269000 38893000 45507000 104890000 46955000 36700000 0 0 3922000 3922000 191077000 8328000 93249000 19130000 86637000 52031000 107762000 50900000 -97828000 10802000 -6612000 32901000 21125000 -1131000 0.68 0.685 0.7 0.0001 0.0001 0.0001 400000000 400000000 427531 427531 238037177 240689081 238037177 240689081 24000 24000 109360000 96530000 87681000 112548000 97356000 88727000 0.115 0.000 0.147 0.126 0.000 0.114 0.112 0.000 0.000 0.176 0.000 0.000 111868000 95834000 86167000 165000 210000 584000 106652000 40443000 0 0 59655000 17046000 47355000 14414000 49194000 12516000 0 140000 107000 645000 1299000 1810000 519664 1892269 3828000 12400000 0.0170 0.0155 0.0085 0.01 0.011 0.0175 0.009 0.011 0.0175 0.009 0.01 0.0155 0.0085 0.011 0.0175 0.009 0.0110 0.0175 0.009 169958000 745173000 214303000 372092000 697068000 1457068000 629120000 115000000 250000000 250000000 500000000 50000000 505000000 300000000 250000000 255000000 300000000 250000000 250000000 505000000 300000000 250000000 255000000 300000000 500000000 200000000 400000000 250000000 255000000 400000000 250000000 255000000 314509000 1814824000 352806000 2013226000 0.078 0.022 0.03078 0.0600 0.0425 0.065 0.04 0.0425 0.0440 0.065 0.04 0.0425 0.044 0.078 0.022 0.06804 0.044 0.99026 0.99883 1780000 10595000 1507000 1507000 315616000 1860598000 370581000 2068867000 0.047 0.046 0.048 0.0109 0.0142 0.0109 0.0142 0.046 2480000 2771000 2422000 33360000 5070000 31693000 6326000 31095000 4910000 35072000 5878000 -59000 44000 0 2024000 3907000 1924000 3337000 746000 7126000 3858000 7258000 1511000 1511000 1511000 7258000 5219000 3295000 31455000 17449000 52769000 22529000 39895000 1003000 33182000 804000 -18000 15000 0 333000 357000 439000 163198000 30651000 166048000 34264000 173968000 37266000 167186000 31145000 170038000 34660000 177561000 37356000 44000 1065000 3990000 930000 -3084000 1168000 1077000 0 10 5119000 825000 4219000 4000 1577000 0 0 109000 0 0 4000 0 0 1715000 0 7789000 0 1693000 0 47264000 16916000 49504000 14952000 6290000 6290000 6290000 5967000 0 0 2422000 0.45 0.21 0.23 -0.12 0.06 0.38 0.17 0.02 0.02 0.12 0.33 0.45 0.20 0.23 -0.12 0.06 0.37 0.17 0.02 0.02 0.12 0.33 0.34 0.34 0.34 8707000 P2Y6M 2056000 150000 815000 324000 403000 408000 0.40 0.25 0.25 0.15 0.02 0.40 5224000 6175000 32113000 5009000 11673000 3555000 5956000 0 5009000 5920000 72508000 17132000 10504000 3166000 3462000 3603000 10504000 2786000 3166000 7440000 1210000 0 4651000 8497000 1648000 3952000 2669000 7552000 9157000 3462000 2211000 363861000 54425000 334681000 54745000 31401000 5307000 20951000 4431000 22211000 4431000 23360000 4445000 26578000 4557000 597294000 104761000 2628000 19943000 82190000 47270000 113839000 436185000 599091000 116861000 2628000 19067000 95166000 40244000 97223000 461624000 5577000 84000 84000 84000 5378000 1452000 24884000 0 81510000 36380000 63428000 4491000 23307000 0 81510000 36380000 63428000 4491000 -5294000 0 0 -2050000 25150000 -33000 33000 -476000 4128000 -975000 -7388000 -436000 -7000 6196000 0 258000 29276000 8541000 31104000 9570000 34158000 6721000 250000000 250000000 787000 72072000 65500000 65500000 5259000 3512000 112025000 42205000 90299000 -4173000 89394000 3117000 113209000 96450000 86629000 0.44 0.38 0.33 0.44 0.37 0.33 1682000 0 0 0.01 0.00 0.00 0.01 0.00 0.00 1752000 158000 141000 7590000 324000 302000 -848000 476000 458000 568000 48000 1439000 72000 1917000 34000 -65000 154000 182000 645000 1255000 1695000 -12000 30000 40000 741000 60000 1240000 34000 2340000 119000 4314000 1129000 -1657000 -2180000 -1141000 397000 77000 -59000 0 2438000 -215000 808000 -269000 16000 18000 -1967000 316000 1825000 710000 -2922000 -12000 -2745000 843000 21571000 -912000 -23720000 -613000 296719 230352 86285 3442000 6062000 152000 4933000 954000 1174000 596000 89739000 29269000 88032000 27313000 77883000 15969000 12253000 11392000 8237000 88725000 28191000 87692000 27262000 75069000 15846000 6704000 673000 5378000 691000 1023000 0 44000 0 44000 0 1065000 0 1065000 0 1077000 0 1077000 223000 693000 807000 3050082000 644173000 3476022000 705565000 67125000 5526000 17476000 6477000 29085000 7524000 4663000 1133000 4593000 4357000 7524000 6815000 31930000 7909000 3771000 3166000 972000 1751000 3771000 1871000 3166000 1454000 662000 3078000 2100000 5441000 0 134000 2438000 1311000 1793000 972000 1988000 472394000 86120000 456134000 88589000 2255000 P99Y 2028976000 340981000 395332000 2212185000 401431000 226331000 3441467000 728604000 3553020000 767713000 191000 0 0.960 457211 0 160000000 160000000 160000000 -177000000 177000000 -160000000 1105000000 1105000000 345000000 345000000 2050000 8420000 94210000 85709000 8501000 55000000 242269000 501093000 596663000 94911000 0 94210000 0 169212000 738047000 494362000 212792000 370581000 689810000 1446473000 622394000 495198000 143446000 424948000 629120000 1124000 35940000 0 10016000 30120000 0 70864000 340465000 0 80875000 355147000 0 65767000 270448000 0 9200000 10000000 19714000 16934000 242269000 47528000 21582000 12616000 0.09 0.115 0.090 87245000 45513000 151800000 -231698000 -159636000 52480000 36381000 -388271000 -179408000 -10187000 153630000 -259116000 -81380000 244930000 38410000 235273000 38907000 227761000 43868000 111703000 47781000 53875000 -26975000 14391000 95624000 40397000 5519000 3916000 29235000 85583000 3188000 826000 1046000 105100000 89109000 79067000 105100000 88950000 79214000 0.58 0.22 0.27 -0.74 0.20 -0.05 -0.01 0.00 -0.05 0.11 0.04 96603000 20886000 -1234000 -1247000 13000 -7951000 -7951000 11429000 531000 13043000 299000 10378000 386000 738047000 169212000 364099000 689810000 212792000 212792000 8000000 94210000 0 1 1 175 32 3 37 20 146404000 157789000 48552000 1298000 4330000 1336000 3893000 1325000 3829000 1297000 3886000 1294000 3887000 4238000 28727000 3656264000 854277000 354240000 73224000 265346000 54811000 284114000 59332000 304651000 63719000 333463000 68794000 2114450000 534397000 399485000 117847000 255000 255000 398065000 115403000 236000 236000 359832000 74707000 234000 234000 307000 1435000 868000 1323000 286000 1242000 987000 1176000 171000 1256000 690000 1179000 36832000 100195000 39702000 37888000 1182000 20749000 2202000 -3084000 1168000 -2343000 -2343000 906000 906000 2098000 2098000 -3990000 -930000 -2343000 906000 2098000 -3695000 2190000 -1656000 1914000 -8093000 603000 9936000 1692000 -1200000 -293000 657000 126000 313000 225000 226000 432041000 461657000 387623000 366282000 60846000 66815000 63525000 -165000 -210000 -584000 112286000 112286000 129990000 129990000 70682266 83241396 83241396 3223000 80565611 2675785 2675785 12559130 12559130 3.25 349926000 152000000 167797000 52700000 558571000 71272000 0 28000 40000 1902000 20848000 -20826000 18431000 8973000 0 0 0 129990000 7951000 7951000 19741000 67113000 65489000 164737000 165858000 172101000 9336000 1281000 1842000 79000 2124000 875000 137158000 20699000 132192000 31220000 83274000 20894000 189000 18900000 1683000 37240000 81000 9898000 1737000 4022000 4022000 0 7951000 5831000 6681000 1553000 6558000 1156000 6526000 2474000 10274000 318000 0 0 0 0 29110000 6295000 4408000 1466000 15184000 4277000 263000 3.25 0.065 0.065 0.065 3.25 3.25 3.25 96770000 96770000 0.0001 0.0001 100000000 100000000 1935400 1935400 1935400 1935400 1935400 94016000 94016000 129120000 129120000 4746000 3480000 2214000 0 139280000 0 6681000 6198000 49085000 636000 781000 1244000 1728000 503000 8175000 478000 531000 854000 19382000 20797000 12186000 4115000 16804000 0 0 95000000 190843000 139193000 254650000 0 45400000 45400000 71959000 -9199000 8389000 -1573000 0 1573000 0 0 6127000 156461000 370038000 238891000 223853000 17847000 21000000 156461000 0 370038000 238891000 223853000 17847000 376000 114891000 42315000 111703000 3188000 50453000 18027000 56680000 22754000 -27612000 -61579000 16929000 16877000 96450000 -3921000 95624000 826000 42220000 -470000 7365000 -8000 5596000 -4422000 31448000 8459000 86629000 3559000 85583000 1046000 P40Y P40Y 795486000 176167000 812207000 199690000 844931000 182505000 890969000 178376000 3349000 1827000 7137000 5131000 390000 1164000 7251000 7283000 11380000 1798000 4593000 6457000 296000 9273000 0 5833000 18142000 4924000 6382000 7123000 1262000 10626000 4196000 15769000 5556000 6225000 2010000 11913000 1192000 4244000 160000 4199000 1291000 5131000 455000 11671000 2112000 3349000 1827000 8568000 5879000 1164000 2469000 912000 7188000 20000 11463000 1014000 5978000 789000 1595000 2050000 5892000 0 4008000 3298000 2369000 1310000 3338000 7137000 2138000 9497000 1650000 2745000 2785000 865000 3837000 4218000 2602000 5453000 2393000 6441000 1416000 2450000 2596000 7176000 390000 2400000 7453000 525000 3036000 200000 7203000 1155000 1108000 1244000 13737000 4263000 12022000 322000 4772000 7251000 491000 9678000 2317000 1663000 7283000 579000 3371000 1529000 6079000 3579000 11380000 1798000 296000 788000 4593000 1031000 5355000 8824000 6457000 995000 296000 1771000 9273000 0 1834000 451000 5833000 18142000 10626000 6126000 8982000 8176000 20604000 12645000 21479000 7505000 1428000 14057000 1538000 2215000 1372000 3856000 3070000 10705000 2980000 4120000 4924000 6382000 7123000 1262000 30595000 4934000 2290000 622000 3553000 5147000 1918000 13777000 3792000 7553000 233000 6182000 14947000 3347000 4196000 27795000 2142000 8601000 903000 1922000 6737000 15769000 21909000 1187000 868000 39639000 5556000 1913000 8817000 7088000 2355000 12110000 6225000 2525000 929000 14671000 2010000 3322000 11913000 9018000 0 0 1192000 2923000 4244000 175000 0 600000 12375000 160000 3000 4199000 21400000 281000 0 538000 2041000 220000 4918000 3637000 104000 6755000 1291000 1713000 106268000 0 86428000 44174000 93455000 34830000 689810000 212792000 0 0 0 0 0 0 0 0 110000000 0 0 0 0 0 0 0 0 0 19088000 0 45400000 0 0 32828000 0 0 0 0 0 6987000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7271000 0 0 0 0 0 0 0 0 0 0 6991000 0 0 0 0 0 0 0 0 0 7010000 0 0 43334000 0 0 0 0 0 0 1992000 0 0 0 0 0 0 0 0 110000000 0 0 0 0 0 0 16931000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33212000 8631000 0 0 0 0 0 0 0 0 19088000 0 45400000 11842000 0 0 0 0 0 0 0 0 15618000 0 192451000 0 0 0 0 8428000 0 0 8370000 0 32828000 37846000 0 0 0 0 0 57500000 0 0 0 0 0 0 11924000 0 0 0 12704000 0 0 0 0 6987000 0 0 123000 0 0 105000 0 0 0 0 0 187000 0 0 119000 0 0 0 176000 3476106000 705649000 8179000 4947000 15863000 35795000 17985000 2236000 9943000 10276000 126947000 40167000 18917000 8526000 42521000 22050000 0 15340000 26038000 11085000 17160000 19351000 47064000 25293000 11645000 41956000 36923000 22340000 4773000 26591000 5137000 9133000 1280000 7398000 12790000 35795000 31236000 26868000 4862000 8179000 4947000 57949000 19540000 2236000 4302000 52762000 24811000 1902000 11538000 2439000 11956000 2573000 5289000 10134000 21840000 32501000 12276000 44987000 16771000 7750000 18075000 15863000 16614000 71289000 8470000 9021000 8784000 29743000 10742000 6999000 25009000 12553000 8626000 18094000 34251000 12514000 5673000 24530000 17985000 5953000 16154000 49026000 14169000 15578000 21908000 7657000 29443000 10865000 42759000 12049000 19383000 1922000 5895000 9943000 13198000 35659000 21732000 15300000 10276000