<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>142</ContextCount>
  <ElementCount>245</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>55</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995300 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995301 - Statement - Unaudited Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/UnauditedCondensedConsolidatedBalanceSheets</Role>
      <ShortName>Unaudited Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>995302 - Statement - Unaudited Condensed Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/UnauditedCondensedConsolidatedBalanceSheetsParentheticals</Role>
      <ShortName>Unaudited Condensed Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>995303 - Statement - Unaudited Condensed Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/UnauditedCondensedConsolidatedStatementsofOperations</Role>
      <ShortName>Unaudited Condensed Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>995304 - Statement - Condensed Consolidated Statements of Changes in Stockholders’ Equity (Deficit) (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/CondensedConsolidatedStatementsofChangesinStockholdersEquityDeficitUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Stockholders’ Equity (Deficit) (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>995305 - Statement - Condensed Consolidated Statements of Changes in Stockholders’ Equity (Deficit) (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/CondensedConsolidatedStatementsofChangesinStockholdersEquityDeficitUnauditedParenthetical</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Stockholders’ Equity (Deficit) (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995306 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/CondensedConsolidatedStatementsofCashFlowsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995307 - Disclosure - Basis of Presentation and Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPolicies</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995308 - Disclosure - Inventories, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/InventoriesNet</Role>
      <ShortName>Inventories, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995309 - Disclosure - PPE, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/PPENet</Role>
      <ShortName>PPE, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995310 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/Debt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995311 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995312 - Disclosure - Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/Contingencies</Role>
      <ShortName>Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995313 - Disclosure - Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/Warrants</Role>
      <ShortName>Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995314 - Disclosure - Equity Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/EquityBasedCompensation</Role>
      <ShortName>Equity Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995315 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/EarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995316 - Disclosure - Segment Reporting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/SegmentReporting</Role>
      <ShortName>Segment Reporting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995317 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>996318 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPolicies</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>996319 - Disclosure - Basis of Presentation and Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPoliciesTables</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPolicies</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>996320 - Disclosure - Inventories, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/InventoriesNetTables</Role>
      <ShortName>Inventories, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/InventoriesNet</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>996321 - Disclosure - PPE, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/PPENetTables</Role>
      <ShortName>PPE, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/PPENet</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>996322 - Disclosure - Warrants (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/WarrantsTables</Role>
      <ShortName>Warrants (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/Warrants</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>996323 - Disclosure - Equity Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/EquityBasedCompensationTables</Role>
      <ShortName>Equity Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/EquityBasedCompensation</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>996324 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/EarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/EarningsPerShare</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>996325 - Disclosure - Segment Reporting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/SegmentReportingTables</Role>
      <ShortName>Segment Reporting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/SegmentReporting</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>996326 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPoliciesDetails</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPoliciesTables</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>996327 - Disclosure - Basis of Presentation and Significant Accounting Policies - Schedule of Total Cost Basis of Machinery Subject to Depreciation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofTotalCostBasisofMachinerySubjecttoDepreciationDetails</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies - Schedule of Total Cost Basis of Machinery Subject to Depreciation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>996328 - Disclosure - Inventories, Net - Schedule of Inventories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/InventoriesNetScheduleofInventoriesDetails</Role>
      <ShortName>Inventories, Net - Schedule of Inventories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>996329 - Disclosure - PPE, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/PPENetDetails</Role>
      <ShortName>PPE, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/PPENetTables</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>996330 - Disclosure - PPE, Net - Schedule of Property, Plant and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/PPENetScheduleofPropertyPlantandEquipmentDetails</Role>
      <ShortName>PPE, Net - Schedule of Property, Plant and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>996331 - Disclosure - Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/DebtDetails</Role>
      <ShortName>Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/Debt</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>996332 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/IncomeTaxes</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>996333 - Disclosure - Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/WarrantsDetails</Role>
      <ShortName>Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/WarrantsTables</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>996334 - Disclosure - Warrants - Schedule of Warrants Outstanding and Exercisable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/WarrantsScheduleofWarrantsOutstandingandExercisableDetails</Role>
      <ShortName>Warrants - Schedule of Warrants Outstanding and Exercisable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>996335 - Disclosure - Equity Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/EquityBasedCompensationDetails</Role>
      <ShortName>Equity Based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/EquityBasedCompensationTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>996336 - Disclosure - Equity Based Compensation - Schedule of Restricted Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/EquityBasedCompensationScheduleofRestrictedStockDetails</Role>
      <ShortName>Equity Based Compensation - Schedule of Restricted Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>996337 - Disclosure - Earnings Per Share - Schedule of Basic Earnings or Loss Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/EarningsPerShareScheduleofBasicEarningsorLossPerShareDetails</Role>
      <ShortName>Earnings Per Share - Schedule of Basic Earnings or Loss Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>996338 - Disclosure - Segment Reporting (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/SegmentReportingDetails</Role>
      <ShortName>Segment Reporting (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/SegmentReportingTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>996339 - Disclosure - Segment Reporting - Schedule of Gross Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/SegmentReportingScheduleofGrossRevenueDetails</Role>
      <ShortName>Segment Reporting - Schedule of Gross Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ea0296223-10q_borealis.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>996340 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://borealisfoods.com/20260331/role/SubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://borealisfoods.com/20260331/role/SubsequentEvents</ParentRole>
      <Position>41</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>brls-20260331.xsd</File>
    <File>brls-20260331_cal.xml</File>
    <File>brls-20260331_def.xml</File>
    <File>brls-20260331_lab.xml</File>
    <File>brls-20260331_pre.xml</File>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="ea0296223-10q_borealis.htm">ea0296223-10q_borealis.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="451">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="35">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
