<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>255</ContextCount>
  <ElementCount>495</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>60</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>9</UnitCount>
  <MyReports>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000010001 - Document - COVER</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/COVER</Role>
      <ShortName>COVER</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>100010002 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>100020003 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>100030004 - Statement - Consolidated Statement of Operations and Comprehensive Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ConsolidatedStatementofOperationsandComprehensiveLoss</Role>
      <ShortName>Consolidated Statement of Operations and Comprehensive Loss</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>100040005 - Statement - Consolidated Statement of Changes in Shareholders??? Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ConsolidatedStatementofChangesinShareholdersEquity</Role>
      <ShortName>Consolidated Statement of Changes in Shareholders??? Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>100050006 - Statement - Consolidated Statement of Cash Flow</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ConsolidatedStatementofCashFlow</Role>
      <ShortName>Consolidated Statement of Cash Flow</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>100060007 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>100070008 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>100080009 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>100090010 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS??? EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSHAREHOLDERSEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS??? EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>100100011 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>100110012 - Statement - BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/BALANCESHEETS</Role>
      <ShortName>BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>100120013 - Statement - BALANCE SHEETS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/BALANCESHEETSParentheticals</Role>
      <ShortName>BALANCE SHEETS (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>100130014 - Statement - STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/STATEMENTSOFOPERATIONS</Role>
      <ShortName>STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>100140015 - Statement - STATEMENTS OF CHANGES IN SHAREHOLDERS??? DEFICIT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/STATEMENTSOFCHANGESINSHAREHOLDERSDEFICIT</Role>
      <ShortName>STATEMENTS OF CHANGES IN SHAREHOLDERS??? DEFICIT</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>100150016 - Statement - STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/STATEMENTSOFCASHFLOWS</Role>
      <ShortName>STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>100160017 - Statement - CONDENSED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONDENSEDBALANCESHEETS</Role>
      <ShortName>CONDENSED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>100170018 - Statement - CONDENSED BALANCE SHEETS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONDENSEDBALANCESHEETSParentheticals</Role>
      <ShortName>CONDENSED BALANCE SHEETS (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>100180019 - Statement - UNAUDITED CONDENSED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/UNAUDITEDCONDENSEDSTATEMENTSOFOPERATIONS</Role>
      <ShortName>UNAUDITED CONDENSED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>100190020 - Statement - UNAUDITED CONDENSED STATEMENT OF CHANGES IN SHAREHOLDERS??? (DEFICIT) EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/UNAUDITEDCONDENSEDSTATEMENTOFCHANGESINSHAREHOLDERSDEFICITEQUITY</Role>
      <ShortName>UNAUDITED CONDENSED STATEMENT OF CHANGES IN SHAREHOLDERS??? (DEFICIT) EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>100200021 - Statement - UNAUDITED CONDENSED STATEMENT OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/UNAUDITEDCONDENSEDSTATEMENTOFCASHFLOWS</Role>
      <ShortName>UNAUDITED CONDENSED STATEMENT OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>210011001 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DESCRIPTIONOFORGANIZATIONANDBUSINESSOPERATIONS</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>210031002 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>210091003 - Disclosure - INVENTORY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INVENTORY</Role>
      <ShortName>INVENTORY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>210121004 - Disclosure - PROPERTY, PLANT AND EQUIPMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENT</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>210151005 - Disclosure - LEASES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASES</Role>
      <ShortName>LEASES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>210211006 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONS</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>210251007 - Disclosure - INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETS</Role>
      <ShortName>INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>210291008 - Disclosure - SHARE-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATION</Role>
      <ShortName>SHARE-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>210351009 - Disclosure - ASSET RETIREMENT OBLIGATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONS</Role>
      <ShortName>ASSET RETIREMENT OBLIGATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>210381010 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>210451011 - Disclosure - CONVERTIBLE LOAN</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONVERTIBLELOAN</Role>
      <ShortName>CONVERTIBLE LOAN</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>210471012 - Disclosure - GAIN ON FORGIVENESS OF DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GAINONFORGIVENESSOFDEBT</Role>
      <ShortName>GAIN ON FORGIVENESS OF DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>210491013 - Disclosure - DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DEBT</Role>
      <ShortName>DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>210511014 - Disclosure - EQUITY METHOD INVESTMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/EQUITYMETHODINVESTMENT</Role>
      <ShortName>EQUITY METHOD INVESTMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>210531015 - Disclosure - RETIREMENT PLAN</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/RETIREMENTPLAN</Role>
      <ShortName>RETIREMENT PLAN</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>210561016 - Disclosure - DISAGGREGATED REVENUES BY CUSTOMER TYPE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPE</Role>
      <ShortName>DISAGGREGATED REVENUES BY CUSTOMER TYPE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>210591017 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUBSEQUENTEVENTS</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>210611018 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DESCRIPTIONOFORGANIZATIONANDBUSINESSOPERATIONS_1</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>210631019 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES_1</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>210651020 - Disclosure - INVENTORY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INVENTORY_1</Role>
      <ShortName>INVENTORY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>210681021 - Disclosure - PROPERTY, PLANT AND EQUIPMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENT_1</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>210711022 - Disclosure - LEASES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASES_1</Role>
      <ShortName>LEASES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>210741023 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONS_1</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>210791024 - Disclosure - INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETS_1</Role>
      <ShortName>INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>210841025 - Disclosure - SHARE-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATION_1</Role>
      <ShortName>SHARE-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>210861026 - Disclosure - ASSET RETIREMENT OBLIGATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONS_1</Role>
      <ShortName>ASSET RETIREMENT OBLIGATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>210891027 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXES_1</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>210911028 - Disclosure - CONVERTIBLE LOAN</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONVERTIBLELOAN_1</Role>
      <ShortName>CONVERTIBLE LOAN</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>210931029 - Disclosure - DISAGGREGATED REVENUES BY CUSTOMER TYPE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPE_1</Role>
      <ShortName>DISAGGREGATED REVENUES BY CUSTOMER TYPE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>210961030 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/COMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>211001031 - Disclosure - LOSS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LOSSPERSHARE</Role>
      <ShortName>LOSS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>211031032 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUBSEQUENTEVENTS_1</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>211051033 - Disclosure - Organization and Business Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/OrganizationandBusinessOperations</Role>
      <ShortName>Organization and Business Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>211071034 - Disclosure - Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPolicies</Role>
      <ShortName>Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>211141035 - Disclosure - Initial Public Offering</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/InitialPublicOffering</Role>
      <ShortName>Initial Public Offering</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>211161036 - Disclosure - Private Placement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PrivatePlacement</Role>
      <ShortName>Private Placement</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>211181037 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>211201038 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>211221039 - Disclosure - Shareholders??? Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ShareholdersEquity</Role>
      <ShortName>Shareholders??? Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>211241040 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>211251041 - Disclosure - Organization and Business Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/OrganizationandBusinessOperations_1</Role>
      <ShortName>Organization and Business Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>211271042 - Disclosure - Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPolicies_1</Role>
      <ShortName>Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>211341043 - Disclosure - Initial Public Offering</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/InitialPublicOffering_1</Role>
      <ShortName>Initial Public Offering</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>211361044 - Disclosure - Private Placement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PrivatePlacement_1</Role>
      <ShortName>Private Placement</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>211381045 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/RelatedPartyTransactions_1</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>211401046 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CommitmentsandContingencies_1</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>211421047 - Disclosure - Shareholders??? Deficit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ShareholdersDeficit</Role>
      <ShortName>Shareholders??? Deficit</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>211441048 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>211471049 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SubsequentEvents_1</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>220042001 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://kalera.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>220642002 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies_1</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://kalera.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>221082003 - Disclosure - Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesPolicies</Role>
      <ShortName>Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://kalera.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>221282004 - Disclosure - Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesPolicies_1</Role>
      <ShortName>Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://kalera.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>230103001 - Disclosure - INVENTORY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INVENTORYTables</Role>
      <ShortName>INVENTORY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/INVENTORY</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>230133002 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENTTables</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENT</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>230163003 - Disclosure - LEASES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASESTables</Role>
      <ShortName>LEASES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/LEASES</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>230223004 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONSTables</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONS</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>230263005 - Disclosure - INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETSTables</Role>
      <ShortName>INTANGIBLE ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/INTANGIBLEASSETS</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>230303006 - Disclosure - SHARE-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATIONTables</Role>
      <ShortName>SHARE-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/SHAREBASEDCOMPENSATION</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>230363007 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONSTables</Role>
      <ShortName>ASSET RETIREMENT OBLIGATIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONS</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>230393008 - Disclosure - INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXESTables</Role>
      <ShortName>INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/INCOMETAXES</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>230573010 - Disclosure - DISAGGREGATED REVENUES BY CUSTOMER TYPE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPETables</Role>
      <ShortName>DISAGGREGATED REVENUES BY CUSTOMER TYPE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPE</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>230663011 - Disclosure - INVENTORY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INVENTORYTables_1</Role>
      <ShortName>INVENTORY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/INVENTORY</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>230693012 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENTTables_1</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENT</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>230723013 - Disclosure - LEASES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASESTables_1</Role>
      <ShortName>LEASES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/LEASES</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>230753014 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONSTables_1</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONS</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>230803015 - Disclosure - INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETSTables_1</Role>
      <ShortName>INTANGIBLE ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/INTANGIBLEASSETS</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>230873016 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONSTables_1</Role>
      <ShortName>ASSET RETIREMENT OBLIGATIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONS</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>230943017 - Disclosure - DISAGGREGATED REVENUES BY CUSTOMER TYPE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPETables_1</Role>
      <ShortName>DISAGGREGATED REVENUES BY CUSTOMER TYPE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPE</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>230973018 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/COMMITMENTSANDCONTINGENCIESTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/COMMITMENTSANDCONTINGENCIES</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>231013019 - Disclosure - LOSS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LOSSPERSHARETables</Role>
      <ShortName>LOSS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/LOSSPERSHARE</ParentRole>
      <Position>92</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>231093020 - Disclosure - Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesTables</Role>
      <ShortName>Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>231293021 - Disclosure - Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesTables_1</Role>
      <ShortName>Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>94</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>231453022 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://kalera.com/role/FairValueMeasurements</ParentRole>
      <Position>95</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>240024001 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DESCRIPTIONOFORGANIZATIONANDBUSINESSOPERATIONSDetails</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/DESCRIPTIONOFORGANIZATIONANDBUSINESSOPERATIONS</ParentRole>
      <Position>96</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>240054002 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>240064003 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPropertyPlantandEquipmentNetDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>240074004 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESIntangibleAssetsDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>240084005 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESConcentrationofCreditRiskDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>240114006 - Disclosure - INVENTORY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INVENTORYDetails</Role>
      <ShortName>INVENTORY (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/INVENTORYTables</ParentRole>
      <Position>101</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>240144007 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENTDetails</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENTTables</ParentRole>
      <Position>102</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>240174008 - Disclosure - LEASES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASESNarrativeDetails</Role>
      <ShortName>LEASES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>240184009 - Disclosure - LEASES - Schedule of Future Minimum Lease Payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASESScheduleofFutureMinimumLeasePaymentsDetails</Role>
      <ShortName>LEASES - Schedule of Future Minimum Lease Payments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>240194010 - Disclosure - LEASES - Operating Lease, ROU Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASESOperatingLeaseROUAssetsDetails</Role>
      <ShortName>LEASES - Operating Lease, ROU Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>240204011 - Disclosure - LEASES - Schedule of Supplemental Cash Flow and Other Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASESScheduleofSupplementalCashFlowandOtherInformationDetails</Role>
      <ShortName>LEASES - Schedule of Supplemental Cash Flow and Other Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>240234012 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONSNarrativeDetails</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>240244013 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS - Schedule of Identifiable Assets and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONSScheduleofIdentifiableAssetsandLiabilitiesAssumedDetails</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS - Schedule of Identifiable Assets and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>240274014 - Disclosure - INTANGIBLE ASSETS - Summary of Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETSSummaryofIntangibleAssetsDetails</Role>
      <ShortName>INTANGIBLE ASSETS - Summary of Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>240284015 - Disclosure - INTANGIBLE ASSETS - Schedule of Expected Amortization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETSScheduleofExpectedAmortizationDetails</Role>
      <ShortName>INTANGIBLE ASSETS - Schedule of Expected Amortization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>240314016 - Disclosure - SHARE-BASED COMPENSATION - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATIONNarrativeDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>240324017 - Disclosure - SHARE-BASED COMPENSATION - Schedule of Options Outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATIONScheduleofOptionsOutstandingDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Schedule of Options Outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>240334018 - Disclosure - SHARE-BASED COMPENSATION - Schedule of Non-Vested Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATIONScheduleofNonVestedOptionsDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Schedule of Non-Vested Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>240344019 - Disclosure - SHARE-BASED COMPENSATION - Summary of Fair Value Inputs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATIONSummaryofFairValueInputsDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION - Summary of Fair Value Inputs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>240374020 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONSDetails</Role>
      <ShortName>ASSET RETIREMENT OBLIGATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONSTables</ParentRole>
      <Position>115</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>240404021 - Disclosure - INCOME TAXES - Schedule of Loss before Income Tax Expense (Benefit) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXESScheduleofLossbeforeIncomeTaxExpenseBenefitDetails</Role>
      <ShortName>INCOME TAXES - Schedule of Loss before Income Tax Expense (Benefit) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>240414022 - Disclosure - INCOME TAXES - Schedule of Components of Income Tax Benefit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXESScheduleofComponentsofIncomeTaxBenefitDetails</Role>
      <ShortName>INCOME TAXES - Schedule of Components of Income Tax Benefit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>240424023 - Disclosure - INCOME TAXES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXESNarrativeDetails</Role>
      <ShortName>INCOME TAXES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>240434024 - Disclosure - INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails</Role>
      <ShortName>INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>240444025 - Disclosure - INCOME TAXES - Schedule of Effective Tax Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXESScheduleofEffectiveTaxRateDetails</Role>
      <ShortName>INCOME TAXES - Schedule of Effective Tax Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>240464026 - Disclosure - CONVERTIBLE LOAN (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONVERTIBLELOANDetails</Role>
      <ShortName>CONVERTIBLE LOAN (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/CONVERTIBLELOAN</ParentRole>
      <Position>121</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>240484027 - Disclosure - GAIN ON FORGIVENESS OF DEBT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GAINONFORGIVENESSOFDEBTDetails</Role>
      <ShortName>GAIN ON FORGIVENESS OF DEBT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/GAINONFORGIVENESSOFDEBT</ParentRole>
      <Position>122</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>240504028 - Disclosure - DEBT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DEBTDetails</Role>
      <ShortName>DEBT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/DEBT</ParentRole>
      <Position>123</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>240524029 - Disclosure - EQUITY METHOD INVESTMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/EQUITYMETHODINVESTMENTDetails</Role>
      <ShortName>EQUITY METHOD INVESTMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/EQUITYMETHODINVESTMENT</ParentRole>
      <Position>124</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>240554030 - Disclosure - RETIREMENT PLAN (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/RETIREMENTPLANDetails</Role>
      <ShortName>RETIREMENT PLAN (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/RETIREMENTPLAN</ParentRole>
      <Position>125</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>240584031 - Disclosure - DISAGGREGATED REVENUES BY CUSTOMER TYPE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPEDetails</Role>
      <ShortName>DISAGGREGATED REVENUES BY CUSTOMER TYPE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPETables</ParentRole>
      <Position>126</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>240604032 - Disclosure - SUBSEQUENT EVENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUBSEQUENTEVENTSDetails</Role>
      <ShortName>SUBSEQUENT EVENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/SUBSEQUENTEVENTS</ParentRole>
      <Position>127</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>240624033 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DESCRIPTIONOFORGANIZATIONANDBUSINESSOPERATIONSDetails_1</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/DESCRIPTIONOFORGANIZATIONANDBUSINESSOPERATIONS</ParentRole>
      <Position>128</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>240674034 - Disclosure - INVENTORY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INVENTORYDetails_1</Role>
      <ShortName>INVENTORY (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/INVENTORYTables</ParentRole>
      <Position>129</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>240704035 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENTDetails_1</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/PROPERTYPLANTANDEQUIPMENTTables</ParentRole>
      <Position>130</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>240734036 - Disclosure - LEASES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LEASESDetails</Role>
      <ShortName>LEASES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/LEASESTables</ParentRole>
      <Position>131</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>240764037 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONSNarrativeDetails_1</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>240774038 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS - Schedule of Identifiable Assets and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONSScheduleofIdentifiableAssetsandLiabilitiesAssumedDetails_1</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS - Schedule of Identifiable Assets and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>240784039 - Disclosure - GOODWILL AND BUSINESS ACQUISITIONS - Schedule of Goodwill Acquired (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/GOODWILLANDBUSINESSACQUISITIONSScheduleofGoodwillAcquiredDetails</Role>
      <ShortName>GOODWILL AND BUSINESS ACQUISITIONS - Schedule of Goodwill Acquired (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>134</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>240814040 - Disclosure - INTANGIBLE ASSETS - Summary of Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETSSummaryofIntangibleAssetsDetails_1</Role>
      <ShortName>INTANGIBLE ASSETS - Summary of Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>135</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>240824041 - Disclosure - INTANGIBLE ASSETS - Schedule of Expected Amortization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETSScheduleofExpectedAmortizationDetails_1</Role>
      <ShortName>INTANGIBLE ASSETS - Schedule of Expected Amortization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>136</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>240834042 - Disclosure - INTANGIBLE ASSETS - Weighted Average Amortization Period Remaining (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INTANGIBLEASSETSWeightedAverageAmortizationPeriodRemainingDetails</Role>
      <ShortName>INTANGIBLE ASSETS - Weighted Average Amortization Period Remaining (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>137</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>240854043 - Disclosure - SHARE-BASED COMPENSATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SHAREBASEDCOMPENSATIONDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/SHAREBASEDCOMPENSATIONTables</ParentRole>
      <Position>138</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>240884044 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONSDetails_1</Role>
      <ShortName>ASSET RETIREMENT OBLIGATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/ASSETRETIREMENTOBLIGATIONSTables</ParentRole>
      <Position>139</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>240904045 - Disclosure - INCOME TAXES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/INCOMETAXESDetails</Role>
      <ShortName>INCOME TAXES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/INCOMETAXESTables</ParentRole>
      <Position>140</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>240924046 - Disclosure - CONVERTIBLE LOAN (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CONVERTIBLELOANDetails_1</Role>
      <ShortName>CONVERTIBLE LOAN (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/CONVERTIBLELOAN</ParentRole>
      <Position>141</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>240954047 - Disclosure - DISAGGREGATED REVENUES BY CUSTOMER TYPE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPEDetails_1</Role>
      <ShortName>DISAGGREGATED REVENUES BY CUSTOMER TYPE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/DISAGGREGATEDREVENUESBYCUSTOMERTYPETables</ParentRole>
      <Position>142</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>240984048 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R144.htm</HtmlFileName>
      <LongName>240994049 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Future Minimum Lease Payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/COMMITMENTSANDCONTINGENCIESScheduleofFutureMinimumLeasePaymentsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Schedule of Future Minimum Lease Payments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>144</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R145.htm</HtmlFileName>
      <LongName>241024050 - Disclosure - LOSS PER SHARE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/LOSSPERSHAREDetails</Role>
      <ShortName>LOSS PER SHARE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/LOSSPERSHARETables</ParentRole>
      <Position>145</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R146.htm</HtmlFileName>
      <LongName>241044051 - Disclosure - SUBSEQUENT EVENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SUBSEQUENTEVENTSDetails_1</Role>
      <ShortName>SUBSEQUENT EVENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/SUBSEQUENTEVENTS</ParentRole>
      <Position>146</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R147.htm</HtmlFileName>
      <LongName>241064052 - Disclosure - Organization and Business Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/OrganizationandBusinessOperationsDetails</Role>
      <ShortName>Organization and Business Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/OrganizationandBusinessOperations</ParentRole>
      <Position>147</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R148.htm</HtmlFileName>
      <LongName>241104053 - Disclosure - Significant Accounting Policies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Significant Accounting Policies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>148</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R149.htm</HtmlFileName>
      <LongName>241114054 - Disclosure - Significant Accounting Policies - Schedule of unrealized holding loss and fair value of held to maturity securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesScheduleofunrealizedholdinglossandfairvalueofheldtomaturitysecuritiesDetails</Role>
      <ShortName>Significant Accounting Policies - Schedule of unrealized holding loss and fair value of held to maturity securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>149</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R150.htm</HtmlFileName>
      <LongName>241124055 - Disclosure - Significant Accounting Policies - Schedule of basic and diluted net income per share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesScheduleofbasicanddilutednetincomepershareDetails</Role>
      <ShortName>Significant Accounting Policies - Schedule of basic and diluted net income per share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>150</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R151.htm</HtmlFileName>
      <LongName>241134056 - Disclosure - Significant Accounting Policies - Schedule of ordinary share reflected on the balance sheet (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesScheduleofordinarysharereflectedonthebalancesheetDetails</Role>
      <ShortName>Significant Accounting Policies - Schedule of ordinary share reflected on the balance sheet (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>151</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R152.htm</HtmlFileName>
      <LongName>241154057 - Disclosure - Initial Public Offering (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/InitialPublicOfferingDetails</Role>
      <ShortName>Initial Public Offering (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/InitialPublicOffering</ParentRole>
      <Position>152</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R153.htm</HtmlFileName>
      <LongName>241174058 - Disclosure - Private Placement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PrivatePlacementDetails</Role>
      <ShortName>Private Placement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/PrivatePlacement</ParentRole>
      <Position>153</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R154.htm</HtmlFileName>
      <LongName>241194059 - Disclosure - Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/RelatedPartyTransactionsDetails</Role>
      <ShortName>Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/RelatedPartyTransactions</ParentRole>
      <Position>154</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R155.htm</HtmlFileName>
      <LongName>241214060 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/CommitmentsandContingencies</ParentRole>
      <Position>155</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R156.htm</HtmlFileName>
      <LongName>241234061 - Disclosure - Shareholders??? Equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ShareholdersEquityDetails</Role>
      <ShortName>Shareholders??? Equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/ShareholdersEquity</ParentRole>
      <Position>156</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R157.htm</HtmlFileName>
      <LongName>241264062 - Disclosure - Organization and Business Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/OrganizationandBusinessOperationsDetails_1</Role>
      <ShortName>Organization and Business Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/OrganizationandBusinessOperations</ParentRole>
      <Position>157</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R158.htm</HtmlFileName>
      <LongName>241304063 - Disclosure - Significant Accounting Policies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesNarrativeDetails_1</Role>
      <ShortName>Significant Accounting Policies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>158</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R159.htm</HtmlFileName>
      <LongName>241314064 - Disclosure - Significant Accounting Policies - Schedule of unrealized holding loss and fair value of held to maturity securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesScheduleofunrealizedholdinglossandfairvalueofheldtomaturitysecuritiesDetails_1</Role>
      <ShortName>Significant Accounting Policies - Schedule of unrealized holding loss and fair value of held to maturity securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>159</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R160.htm</HtmlFileName>
      <LongName>241324065 - Disclosure - Significant Accounting Policies - Schedule of basic and diluted net income per share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesScheduleofbasicanddilutednetincomepershareDetails_1</Role>
      <ShortName>Significant Accounting Policies - Schedule of basic and diluted net income per share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>160</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R161.htm</HtmlFileName>
      <LongName>241334066 - Disclosure - Significant Accounting Policies - Schedule of ordinary share reflected on the balance sheet (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/SignificantAccountingPoliciesScheduleofordinarysharereflectedonthebalancesheetDetails_1</Role>
      <ShortName>Significant Accounting Policies - Schedule of ordinary share reflected on the balance sheet (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>161</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R162.htm</HtmlFileName>
      <LongName>241354067 - Disclosure - Initial Public Offering (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/InitialPublicOfferingDetails_1</Role>
      <ShortName>Initial Public Offering (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/InitialPublicOffering</ParentRole>
      <Position>162</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R163.htm</HtmlFileName>
      <LongName>241374068 - Disclosure - Private Placement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/PrivatePlacementDetails_1</Role>
      <ShortName>Private Placement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/PrivatePlacement</ParentRole>
      <Position>163</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R164.htm</HtmlFileName>
      <LongName>241394069 - Disclosure - Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/RelatedPartyTransactionsDetails_1</Role>
      <ShortName>Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/RelatedPartyTransactions</ParentRole>
      <Position>164</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R165.htm</HtmlFileName>
      <LongName>241414070 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/CommitmentsandContingenciesDetails_1</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/CommitmentsandContingencies</ParentRole>
      <Position>165</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R166.htm</HtmlFileName>
      <LongName>241434071 - Disclosure - Shareholders??? Deficit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/ShareholdersDeficitDetails</Role>
      <ShortName>Shareholders??? Deficit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/ShareholdersDeficit</ParentRole>
      <Position>166</Position>
    </Report>
    <Report instance="kal-20220719.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R167.htm</HtmlFileName>
      <LongName>241464072 - Disclosure - Fair Value Measurements (Details) - Schedule of fair value on a recurring basis</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://kalera.com/role/FairValueMeasurementsDetailsScheduleoffairvalueonarecurringbasis</Role>
      <ShortName>Fair Value Measurements (Details) - Schedule of fair value on a recurring basis</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://kalera.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>167</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="S-1" original="kal-20220719.htm">kal-20220719.htm</File>
    <File>exhibit107-sx1.htm</File>
    <File>exhibit231-sx1.htm</File>
    <File>exhibit232-sx1.htm</File>
    <File>exhibit233-sx1.htm</File>
    <File>exhibit51-sx1.htm</File>
    <File>kal-20220719.xsd</File>
    <File>kal-20220719_cal.xml</File>
    <File>kal-20220719_def.xml</File>
    <File>kal-20220719_lab.xml</File>
    <File>kal-20220719_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>kal-20220719_g1.jpg</File>
    <File>kal-20220719_g2.jpg</File>
    <File>kal-20220719_g3.jpg</File>
    <File>kal-20220719_g4.jpg</File>
    <File>kal-20220719_g5.jpg</File>
    <File>kal-20220719_g6.jpg</File>
    <File>kal-20220719_g7.jpg</File>
    <File>kal-20220719_g8.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1451">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
