<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>354</ContextCount>
  <ElementCount>360</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>126</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/StatementsOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - Consolidated Statements of Financial Position</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/StatementsOfFinancialPosition</Role>
      <ShortName>Consolidated Statements of Financial Position</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - Consolidated Statements of Changes in Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/StatementsOfChangesInEquity</Role>
      <ShortName>Consolidated Statements of Changes in Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/StatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>999006 - Disclosure - Basis of presentation and general information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/BasisOfPresentationAndGeneralInformation</Role>
      <ShortName>Basis of presentation and general information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>999007 - Disclosure - Basis of Preparation and Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/BasisOfPreparationAndAccountingPolicies</Role>
      <ShortName>Basis of Preparation and Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>999008 - Disclosure - Cash and cash equivalents and Restricted cash</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/CashAndCashEquivalentsAndRestrictedCash</Role>
      <ShortName>Cash and cash equivalents and Restricted cash</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>999009 - Disclosure - Transactions with Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/TransactionsWithRelatedParties</Role>
      <ShortName>Transactions with Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>999010 - Disclosure - Vessels, net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VesselsNet</Role>
      <ShortName>Vessels, net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>999011 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Inventories</Role>
      <ShortName>Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>999012 - Disclosure - Trade accounts payable and other</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/TradeAccountsPayableAndOther</Role>
      <ShortName>Trade accounts payable and other</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>999013 - Disclosure - Accrued liabilities and other payables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/AccruedLiabilitiesAndOtherPayables</Role>
      <ShortName>Accrued liabilities and other payables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>999014 - Disclosure - Share Capital and Share Premium</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/ShareCapitalAndSharePremium</Role>
      <ShortName>Share Capital and Share Premium</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>999015 - Disclosure - Earnings per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/EarningsPerShare</Role>
      <ShortName>Earnings per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>999016 - Disclosure - Long-Term Debt, net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Long-termDebtNet</Role>
      <ShortName>Long-Term Debt, net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>999017 - Disclosure - Voyage Expenses and Vessel Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VoyageExpensesAndVesselOperatingExpenses</Role>
      <ShortName>Voyage Expenses and Vessel Operating Expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>999018 - Disclosure - Administrative Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/AdministrativeExpenses</Role>
      <ShortName>Administrative Expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>999019 - Disclosure - Interest Expense and Finance Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/InterestExpenseAndFinanceCosts</Role>
      <ShortName>Interest Expense and Finance Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>999020 - Disclosure - Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Contingencies</Role>
      <ShortName>Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>999021 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Commitments</Role>
      <ShortName>Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>999022 - Disclosure - Income Tax</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/IncomeTax</Role>
      <ShortName>Income Tax</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>999023 - Disclosure - Financial risk management objectives and policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FinancialRiskManagementObjectivesAndPolicies</Role>
      <ShortName>Financial risk management objectives and policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>999024 - Disclosure - Fair values</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FairValues</Role>
      <ShortName>Fair values</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>999025 - Disclosure - Events after the reporting date</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/EventsAfterReportingDate</Role>
      <ShortName>Events after the reporting date</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>999026 - Disclosure - Basis of Preparation and Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/BasisOfPreparationAndAccountingPoliciesPolicies</Role>
      <ShortName>Basis of Preparation and Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/BasisOfPreparationAndAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>999027 - Disclosure - Basis of presentation and general information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/BasisOfPresentationAndGeneralInformationTables</Role>
      <ShortName>Basis of presentation and general information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/BasisOfPresentationAndGeneralInformation</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>999028 - Disclosure - Cash and cash equivalents and Restricted cash (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/CashAndCashEquivalentsAndRestrictedCashTables</Role>
      <ShortName>Cash and cash equivalents and Restricted cash (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/CashAndCashEquivalentsAndRestrictedCash</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>999029 - Disclosure - Transactions with Related Parties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/TransactionsWithRelatedPartiesTables</Role>
      <ShortName>Transactions with Related Parties (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/TransactionsWithRelatedParties</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>999030 - Disclosure - Vessels, net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VesselsNetTables</Role>
      <ShortName>Vessels, net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/VesselsNet</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>999031 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/InventoriesTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/Inventories</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>999032 - Disclosure - Accrued liabilities and other payables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/AccruedLiabilitiesAndOtherPayablesTables</Role>
      <ShortName>Accrued liabilities and other payables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/AccruedLiabilitiesAndOtherPayables</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>999033 - Disclosure - Share Capital and Share Premium (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/ShareCapitalAndSharePremiumTables</Role>
      <ShortName>Share Capital and Share Premium (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/ShareCapitalAndSharePremium</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>999034 - Disclosure - Earnings per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/EarningsPerShareTables</Role>
      <ShortName>Earnings per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/EarningsPerShare</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>999035 - Disclosure - Long-Term Debt, net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Long-termDebtNetTables</Role>
      <ShortName>Long-Term Debt, net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/Long-termDebtNet</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>999036 - Disclosure - Voyage Expenses and Vessel Operating Expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VoyageExpensesAndVesselOperatingExpensesTables</Role>
      <ShortName>Voyage Expenses and Vessel Operating Expenses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/VoyageExpensesAndVesselOperatingExpenses</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>999037 - Disclosure - Administrative Expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/AdministrativeExpensesTables</Role>
      <ShortName>Administrative Expenses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/AdministrativeExpenses</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>999038 - Disclosure - Interest Expense and Finance Costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/InterestExpenseAndFinanceCostsTables</Role>
      <ShortName>Interest Expense and Finance Costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/InterestExpenseAndFinanceCosts</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>999039 - Disclosure - Commitments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/CommitmentsTables</Role>
      <ShortName>Commitments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/Commitments</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>999040 - Disclosure - Financial risk management objectives and policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FinancialRiskManagementObjectivesAndPoliciesTables</Role>
      <ShortName>Financial risk management objectives and policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/FinancialRiskManagementObjectivesAndPolicies</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>999041 - Disclosure - Fair values (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FairValuesTables</Role>
      <ShortName>Fair values (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/FairValues</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>999042 - Disclosure - Basis of presentation and general information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/BasisOfPresentationAndGeneralInformationDetails</Role>
      <ShortName>Basis of presentation and general information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/BasisOfPresentationAndGeneralInformationTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>999043 - Disclosure - Basis of presentation and general information (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/BasisOfPresentationAndGeneralInformationDetailsNarrative</Role>
      <ShortName>Basis of presentation and general information (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/BasisOfPresentationAndGeneralInformationTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>999044 - Disclosure - Basis of Preparation and Accounting Policies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/BasisOfPreparationAndAccountingPoliciesDetailsNarrative</Role>
      <ShortName>Basis of Preparation and Accounting Policies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/BasisOfPreparationAndAccountingPoliciesPolicies</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>999045 - Disclosure - Cash and cash equivalents and Restricted cash (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/CashAndCashEquivalentsAndRestrictedCashDetails</Role>
      <ShortName>Cash and cash equivalents and Restricted cash (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/CashAndCashEquivalentsAndRestrictedCashTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>999046 - Disclosure - Cash and cash equivalents and Restricted cash (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/CashAndCashEquivalentsAndRestrictedCashDetailsNarrative</Role>
      <ShortName>Cash and cash equivalents and Restricted cash (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/CashAndCashEquivalentsAndRestrictedCashTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>999047 - Disclosure - Transactions with Related Parties - Compensation to the Company???s Non-Executive Directors (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/TransactionsWithRelatedParties-CompensationToCompanysNon-executiveDirectorsDetails</Role>
      <ShortName>Transactions with Related Parties - Compensation to the Company???s Non-Executive Directors (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>999048 - Disclosure - Transactions with Related Parties - Compensation to the Company???s Executive Director (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/TransactionsWithRelatedParties-CompensationToCompanysExecutiveDirectorDetails</Role>
      <ShortName>Transactions with Related Parties - Compensation to the Company???s Executive Director (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>999049 - Disclosure - Transactions with Related Parties (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/TransactionsWithRelatedPartiesDetailsNarrative</Role>
      <ShortName>Transactions with Related Parties (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/TransactionsWithRelatedPartiesTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>999050 - Disclosure - Vessels, net - Consolidated Statement of Financial Position (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VesselsNet-ConsolidatedStatementOfFinancialPositionDetails</Role>
      <ShortName>Vessels, net - Consolidated Statement of Financial Position (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>999051 - Disclosure - Vessels, net - Consolidated Statement of Comprehensive Income/ (loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VesselsNet-ConsolidatedStatementOfComprehensiveIncomeLossDetails</Role>
      <ShortName>Vessels, net - Consolidated Statement of Comprehensive Income/ (loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>999052 - Disclosure - Vessels, net (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VesselsNetDetailsNarrative</Role>
      <ShortName>Vessels, net (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/VesselsNetTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>999053 - Disclosure - Inventories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/InventoriesDetails</Role>
      <ShortName>Inventories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/InventoriesTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>999054 - Disclosure - Trade accounts payable and other (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/TradeAccountsPayableAndOtherDetailsNarrative</Role>
      <ShortName>Trade accounts payable and other (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/TradeAccountsPayableAndOther</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>999055 - Disclosure - ?ccrued liabilities and other payables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/CcruedLiabilitiesAndOtherPayablesDetails</Role>
      <ShortName>?ccrued liabilities and other payables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>999056 - Disclosure - Share Capital and Share Premium - Authorized share capital (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/ShareCapitalAndSharePremium-AuthorizedShareCapitalDetails</Role>
      <ShortName>Share Capital and Share Premium - Authorized share capital (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>999057 - Disclosure - Share Capital and Share Premium (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/ShareCapitalAndSharePremiumDetailsNarrative</Role>
      <ShortName>Share Capital and Share Premium (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/ShareCapitalAndSharePremiumTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>999058 - Disclosure - Earnings/(Loss) per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/EarningslossPerShareDetails</Role>
      <ShortName>Earnings/(Loss) per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>999059 - Disclosure - Long-Term Debt, net - Consolidated statement of financial position (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Long-termDebtNet-ConsolidatedStatementOfFinancialPositionDetails</Role>
      <ShortName>Long-Term Debt, net - Consolidated statement of financial position (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>999060 - Disclosure - Long-Term Debt, net - Annual loan principal payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Long-termDebtNet-AnnualLoanPrincipalPaymentsDetails</Role>
      <ShortName>Long-Term Debt, net - Annual loan principal payments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>999061 - Disclosure - Long-Term Debt, net (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Long-termDebtNetDetailsNarrative</Role>
      <ShortName>Long-Term Debt, net (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/Long-termDebtNetTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>999062 - Disclosure - Voyage Expenses and Vessel Operating Expenses - Voyage expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VoyageExpensesAndVesselOperatingExpenses-VoyageExpensesDetails</Role>
      <ShortName>Voyage Expenses and Vessel Operating Expenses - Voyage expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>999063 - Disclosure - Voyage Expenses and Vessel Operating Expenses - Vessel operating expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/VoyageExpensesAndVesselOperatingExpenses-VesselOperatingExpensesDetails</Role>
      <ShortName>Voyage Expenses and Vessel Operating Expenses - Vessel operating expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>999064 - Disclosure - Administrative Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/AdministrativeExpensesDetails</Role>
      <ShortName>Administrative Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/AdministrativeExpensesTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>999065 - Disclosure - Interest Expense and Finance Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/InterestExpenseAndFinanceCostsDetails</Role>
      <ShortName>Interest Expense and Finance Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/InterestExpenseAndFinanceCostsTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>999066 - Disclosure - Commitments - Future minimum lease revenues receivable under non-cancellable operating leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Commitments-FutureMinimumLeaseRevenuesReceivableUnderNon-cancellableOperatingLeasesDetails</Role>
      <ShortName>Commitments - Future minimum lease revenues receivable under non-cancellable operating leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>999067 - Disclosure - Commitments - Future minimum contractual obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/Commitments-FutureMinimumContractualObligationsDetails</Role>
      <ShortName>Commitments - Future minimum contractual obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>999068 - Disclosure - Commitments (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/CommitmentsDetailsNarrative</Role>
      <ShortName>Commitments (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/CommitmentsTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>999069 - Disclosure - Income Tax (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/IncomeTaxDetailsNarrative</Role>
      <ShortName>Income Tax (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/IncomeTax</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>999070 - Disclosure - Financial risk management objectives and policies - Interest rate risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FinancialRiskManagementObjectivesAndPolicies-InterestRateRiskDetails</Role>
      <ShortName>Financial risk management objectives and policies - Interest rate risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>999071 - Disclosure - Financial risk management objectives and policies - Foreign currency risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FinancialRiskManagementObjectivesAndPolicies-ForeignCurrencyRiskDetails</Role>
      <ShortName>Financial risk management objectives and policies - Foreign currency risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>999072 - Disclosure - Financial risk management objectives and policies - Concentration of credit risk table (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FinancialRiskManagementObjectivesAndPolicies-ConcentrationOfCreditRiskTableDetails</Role>
      <ShortName>Financial risk management objectives and policies - Concentration of credit risk table (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>999073 - Disclosure - Financial risk management objectives and policies - Maturity profile of the Company???s Financial Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FinancialRiskManagementObjectivesAndPolicies-MaturityProfileOfCompanysFinancialLiabilitiesDetails</Role>
      <ShortName>Financial risk management objectives and policies - Maturity profile of the Company???s Financial Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>999074 - Disclosure - Fair values measurement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/FairValuesMeasurementDetails</Role>
      <ShortName>Fair values measurement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="glbs-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>999075 - Disclosure - Events after the reporting date (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://globusmaritime.gr/role/EventsAfterReportingDateDetailsNarrative</Role>
      <ShortName>Events after the reporting date (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://globusmaritime.gr/role/EventsAfterReportingDate</ParentRole>
      <Position>75</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="20-F" isDefinitelyFs="true" isIfrs="true" original="glbs-20241231.htm">glbs-20241231.htm</File>
    <File>glbs-20241231.xsd</File>
    <File>glbs-20241231_cal.xml</File>
    <File>glbs-20241231_def.xml</File>
    <File>glbs-20241231_lab.xml</File>
    <File>glbs-20241231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="43">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="878">https://xbrl.ifrs.org/taxonomy/2024-03-27/ifrs-full</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
