<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.1.u1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>183</ContextCount>
  <ElementCount>339</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>82</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>14</UnitCount>
  <MyReports>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Disclosure - The Company and Financial Statement Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/TheCompanyandFinancialStatementPresentation</Role>
      <ShortName>The Company and Financial Statement Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - Disclosure - Investments in Real Estate</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinRealEstate</Role>
      <ShortName>Investments in Real Estate</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - Dispositions and Impairment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DispositionsandImpairment</Role>
      <ShortName>Dispositions and Impairment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - Investments in Non-Consolidated Entities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinNonConsolidatedEntities</Role>
      <ShortName>Investments in Non-Consolidated Entities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/Debt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - Disclosure - Derivatives and Hedging Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DerivativesandHedgingActivities</Role>
      <ShortName>Derivatives and Hedging Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - Lease Accounting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccounting</Role>
      <ShortName>Lease Accounting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - Allowance for Credit Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/AllowanceforCreditLoss</Role>
      <ShortName>Allowance for Credit Loss</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - Concentration of Risk</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/ConcentrationofRisk</Role>
      <ShortName>Concentration of Risk</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>0000020 - Disclosure - Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/Equity</Role>
      <ShortName>Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>0000021 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>0000022 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>0000023 - Disclosure - Supplemental Disclosure of Statement of Cash Flow Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/SupplementalDisclosureofStatementofCashFlowInformation</Role>
      <ShortName>Supplemental Disclosure of Statement of Cash Flow Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9954471 - Disclosure - The Company and Financial Statement Presentation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationPolicies</Role>
      <ShortName>The Company and Financial Statement Presentation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.lxp.com/role/LeaseAccounting</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9954472 - Disclosure - The Company and Financial Statement Presentation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationTables</Role>
      <ShortName>The Company and Financial Statement Presentation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/TheCompanyandFinancialStatementPresentation</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9954473 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/EarningsPerShare</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9954474 - Disclosure - Investments in Real Estate (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinRealEstateTables</Role>
      <ShortName>Investments in Real Estate (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/InvestmentsinRealEstate</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9954475 - Disclosure - Dispositions and Impairment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DispositionsandImpairmentTables</Role>
      <ShortName>Dispositions and Impairment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/DispositionsandImpairment</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9954476 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/FairValueMeasurements</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9954477 - Disclosure - Investments in Non-Consolidated Entities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinNonConsolidatedEntitiesTables</Role>
      <ShortName>Investments in Non-Consolidated Entities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/InvestmentsinNonConsolidatedEntities</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9954478 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/Debt</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9954479 - Disclosure - Derivatives and Hedging Activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DerivativesandHedgingActivitiesTables</Role>
      <ShortName>Derivatives and Hedging Activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/DerivativesandHedgingActivities</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9954480 - Disclosure - Lease Accounting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccountingTables</Role>
      <ShortName>Lease Accounting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/LeaseAccounting</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9954481 - Disclosure - Allowance for Credit Loss (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/AllowanceforCreditLossTables</Role>
      <ShortName>Allowance for Credit Loss (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/AllowanceforCreditLoss</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9954482 - Disclosure - Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EquityTables</Role>
      <ShortName>Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.lxp.com/role/Equity</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9954483 - Disclosure - The Company and Financial Statement Presentation - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationNarrativeDetails</Role>
      <ShortName>The Company and Financial Statement Presentation - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9954484 - Disclosure - The Company and Financial Statement Presentation - Schedule of Variable Interest Entities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationScheduleofVariableInterestEntitiesDetails</Role>
      <ShortName>The Company and Financial Statement Presentation - Schedule of Variable Interest Entities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9954485 - Disclosure - Earnings Per Share - Reconciliation of Numerators and Denominators (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EarningsPerShareReconciliationofNumeratorsandDenominatorsDetails</Role>
      <ShortName>Earnings Per Share - Reconciliation of Numerators and Denominators (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9954486 - Disclosure - Earnings Per Share - Potentially Dilutive Shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EarningsPerSharePotentiallyDilutiveSharesDetails</Role>
      <ShortName>Earnings Per Share - Potentially Dilutive Shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9954487 - Disclosure - Investments in Real Estate - Schedule of Real Estate Acquisitions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinRealEstateScheduleofRealEstateAcquisitionsDetails</Role>
      <ShortName>Investments in Real Estate - Schedule of Real Estate Acquisitions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9954488 - Disclosure - Investments in Real Estate - Schedule of Real Estate Properties Under Construction (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinRealEstateScheduleofRealEstatePropertiesUnderConstructionDetails</Role>
      <ShortName>Investments in Real Estate - Schedule of Real Estate Properties Under Construction (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9954489 - Disclosure - Investments in Real Estate - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinRealEstateNarrativeDetails</Role>
      <ShortName>Investments in Real Estate - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9954490 - Disclosure - Investments in Real Estate - Schedule of Land Held for Development (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinRealEstateScheduleofLandHeldforDevelopmentDetails</Role>
      <ShortName>Investments in Real Estate - Schedule of Land Held for Development (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9954491 - Disclosure - Dispositions and Impairment - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DispositionsandImpairmentNarrativeDetails</Role>
      <ShortName>Dispositions and Impairment - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9954492 - Disclosure - Dispositions and Impairment - Schedule of Properties Held for Sale (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DispositionsandImpairmentScheduleofPropertiesHeldforSaleDetails</Role>
      <ShortName>Dispositions and Impairment - Schedule of Properties Held for Sale (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9954493 - Disclosure - Fair Value Measurements - Schedule Fair Value Measurements Inputs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/FairValueMeasurementsScheduleFairValueMeasurementsInputsDetails</Role>
      <ShortName>Fair Value Measurements - Schedule Fair Value Measurements Inputs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9954494 - Disclosure - Fair Value Measurements - Fair Value by Balance Sheet Grouping (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/FairValueMeasurementsFairValuebyBalanceSheetGroupingDetails</Role>
      <ShortName>Fair Value Measurements - Fair Value by Balance Sheet Grouping (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9954495 - Disclosure - Investments in Non-Consolidated Entities - Schedule of Investment in Non-Consolidated Entities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinNonConsolidatedEntitiesScheduleofInvestmentinNonConsolidatedEntitiesDetails</Role>
      <ShortName>Investments in Non-Consolidated Entities - Schedule of Investment in Non-Consolidated Entities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9954496 - Disclosure - Investments in Non-Consolidated Entities - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/InvestmentsinNonConsolidatedEntitiesNarrativeDetails</Role>
      <ShortName>Investments in Non-Consolidated Entities - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9954497 - Disclosure - Debt - Schedule of Mortgages and Notes Payable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.lxp.com/role/DebtScheduleofMortgagesandNotesPayableDetails</Role>
      <ShortName>Debt - Schedule of Mortgages and Notes Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9954498 - Disclosure - Debt - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DebtNarrativeDetails</Role>
      <ShortName>Debt - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9954499 - Disclosure - Debt - Schedule of Debt Instrument Redemption (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DebtScheduleofDebtInstrumentRedemptionDetails</Role>
      <ShortName>Debt - Schedule of Debt Instrument Redemption (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9954500 - Disclosure - Debt - Schedule of Credit Agreement Terms (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DebtScheduleofCreditAgreementTermsDetails</Role>
      <ShortName>Debt - Schedule of Credit Agreement Terms (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9954501 - Disclosure - Derivatives and Hedging Activities - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DerivativesandHedgingActivitiesNarrativeDetails</Role>
      <ShortName>Derivatives and Hedging Activities - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9954502 - Disclosure - Derivatives and Hedging Activities - Schedule of Derivative Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DerivativesandHedgingActivitiesScheduleofDerivativeInstrumentsDetails</Role>
      <ShortName>Derivatives and Hedging Activities - Schedule of Derivative Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9954503 - Disclosure - Derivatives and Hedging Activities - Fair Value of the Company's Derivative Financial Instruments and Classification on the Balance Sheets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DerivativesandHedgingActivitiesFairValueoftheCompanysDerivativeFinancialInstrumentsandClassificationontheBalanceSheetsDetails</Role>
      <ShortName>Derivatives and Hedging Activities - Fair Value of the Company's Derivative Financial Instruments and Classification on the Balance Sheets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9954504 - Disclosure - Derivatives and Hedging Activities - Effect of the Company's Derivative Financial Instruments on the Statements of Operation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/DerivativesandHedgingActivitiesEffectoftheCompanysDerivativeFinancialInstrumentsontheStatementsofOperationDetails</Role>
      <ShortName>Derivatives and Hedging Activities - Effect of the Company's Derivative Financial Instruments on the Statements of Operation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9954505 - Disclosure - Lease Accounting - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccountingNarrativeDetails</Role>
      <ShortName>Lease Accounting - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9954506 - Disclosure - Lease Accounting - Lease Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccountingLeaseIncomeDetails</Role>
      <ShortName>Lease Accounting - Lease Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9954507 - Disclosure - Lease Accounting - Future Fixed Rental Receipts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccountingFutureFixedRentalReceiptsDetails</Role>
      <ShortName>Lease Accounting - Future Fixed Rental Receipts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9954508 - Disclosure - Lease Accounting - Supplemental Balance Sheet Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccountingSupplementalBalanceSheetInformationDetails</Role>
      <ShortName>Lease Accounting - Supplemental Balance Sheet Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9954509 - Disclosure - Lease Accounting - Components of Lease Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccountingComponentsofLeaseExpenseDetails</Role>
      <ShortName>Lease Accounting - Components of Lease Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9954510 - Disclosure - Lease Accounting - Operating Lease Liabilities Maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/LeaseAccountingOperatingLeaseLiabilitiesMaturityDetails</Role>
      <ShortName>Lease Accounting - Operating Lease Liabilities Maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9954511 - Disclosure - Allowance for Credit Loss - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/AllowanceforCreditLossNarrativeDetails</Role>
      <ShortName>Allowance for Credit Loss - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9954512 - Disclosure - Allowance for Credit Loss - Detail of Investment in Sales-Type Lease (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/AllowanceforCreditLossDetailofInvestmentinSalesTypeLeaseDetails</Role>
      <ShortName>Allowance for Credit Loss - Detail of Investment in Sales-Type Lease (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9954513 - Disclosure - Allowance for Credit Loss - Allowance for Sales-type Lease (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/AllowanceforCreditLossAllowanceforSalestypeLeaseDetails</Role>
      <ShortName>Allowance for Credit Loss - Allowance for Sales-type Lease (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9954514 - Disclosure - Equity - Schedule of Common Shares Granted (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EquityScheduleofCommonSharesGrantedDetails</Role>
      <ShortName>Equity - Schedule of Common Shares Granted (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9954515 - Disclosure - Equity - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EquityNarrativeDetails</Role>
      <ShortName>Equity - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9954516 - Disclosure - Equity - Changes in Other Comprehensive Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EquityChangesinOtherComprehensiveIncomeDetails</Role>
      <ShortName>Equity - Changes in Other Comprehensive Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9954517 - Disclosure - Equity - Effects of Changes in Noncontrolling Interests (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/EquityEffectsofChangesinNoncontrollingInterestsDetails</Role>
      <ShortName>Equity - Effects of Changes in Noncontrolling Interests (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9954518 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.lxp.com/role/CommitmentsandContingencies</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="lxp-20240331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9954519 - Disclosure - Supplemental Disclosure of Statement of Cash Flow Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.lxp.com/role/SupplementalDisclosureofStatementofCashFlowInformationDetails</Role>
      <ShortName>Supplemental Disclosure of Statement of Cash Flow Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.lxp.com/role/SupplementalDisclosureofStatementofCashFlowInformation</ParentRole>
      <Position>74</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[dq-0540-DocumentPeriodEndDate-Value] In submission type 10-Q, DocumentPeriodEndDate value 2024-03-31, is not equivalent to header element periodOfReport value, 05-02-2024, in the Required Context. lxp-20240331.htm 4</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="lxp-20240331.htm">lxp-20240331.htm</File>
    <File>lxp-20240331.xsd</File>
    <File>lxp-20240331_cal.xml</File>
    <File>lxp-20240331_def.xml</File>
    <File>lxp-20240331_lab.xml</File>
    <File>lxp-20240331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="641">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="36">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
