<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.2.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>346</ContextCount>
  <ElementCount>281</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>90</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>14</UnitCount>
  <MyReports>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Statement - Consolidated balance sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Consolidatedbalancesheets</Role>
      <ShortName>Consolidated balance sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - Statement - Consolidated balance sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/ConsolidatedbalancesheetsParenthetical</Role>
      <ShortName>Consolidated balance sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - Statement - Consolidated statements of operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Consolidatedstatementsofoperations</Role>
      <ShortName>Consolidated statements of operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - Statement - Consolidated statements of stockholders' equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Consolidatedstatementsofstockholdersequity</Role>
      <ShortName>Consolidated statements of stockholders' equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - Statement - Consolidated statements of cash flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Consolidatedstatementsofcashflows</Role>
      <ShortName>Consolidated statements of cash flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - Disclosure - Organization and basis of presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Organizationandbasisofpresentation</Role>
      <ShortName>Organization and basis of presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - Disclosure - New accounting standards</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Newaccountingstandards</Role>
      <ShortName>New accounting standards</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Disclosure - Acquisitions and divestitures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Acquisitionsanddivestitures</Role>
      <ShortName>Acquisitions and divestitures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Debt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - Disclosure - Stockholders' equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Stockholdersequity</Role>
      <ShortName>Stockholders' equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - Equity Incentive Plan</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/EquityIncentivePlan</Role>
      <ShortName>Equity Incentive Plan</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - Net income (loss) per common share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Netincomelosspercommonshare</Role>
      <ShortName>Net income (loss) per common share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - Derivatives</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Derivatives</Role>
      <ShortName>Derivatives</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - Disclosure - Fair value measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Fairvaluemeasurements</Role>
      <ShortName>Fair value measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - Disclosure - Commitments and contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Commitmentsandcontingencies</Role>
      <ShortName>Commitments and contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - Supplemental cash flow and non-cash information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Supplementalcashflowandnoncashinformation</Role>
      <ShortName>Supplemental cash flow and non-cash information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - Income taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Incometaxes</Role>
      <ShortName>Income taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - Related parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Relatedparties</Role>
      <ShortName>Related parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>0000020 - Disclosure - Organizational restructurings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Organizationalrestructurings</Role>
      <ShortName>Organizational restructurings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>0000021 - Disclosure - Subsequent events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/Subsequentevents</Role>
      <ShortName>Subsequent events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>0000022 - Disclosure - Organization and basis of presentation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/OrganizationandbasisofpresentationPolicies</Role>
      <ShortName>Organization and basis of presentation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>0000023 - Disclosure - Acquisitions and divestitures (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/AcquisitionsanddivestituresTables</Role>
      <ShortName>Acquisitions and divestitures (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Acquisitionsanddivestitures</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>0000024 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/DebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Debt</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>0000025 - Disclosure - Stockholders' equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/StockholdersequityTables</Role>
      <ShortName>Stockholders' equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Stockholdersequity</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>0000026 - Disclosure - Equity Incentive Plan (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/EquityIncentivePlanTables</Role>
      <ShortName>Equity Incentive Plan (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/EquityIncentivePlan</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>0000027 - Disclosure - Net income (loss) per common share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/NetincomelosspercommonshareTables</Role>
      <ShortName>Net income (loss) per common share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Netincomelosspercommonshare</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>0000028 - Disclosure - Derivatives (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/DerivativesTables</Role>
      <ShortName>Derivatives (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Derivatives</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>0000029 - Disclosure - Fair value measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/FairvaluemeasurementsTables</Role>
      <ShortName>Fair value measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Fairvaluemeasurements</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>0000030 - Disclosure - Supplemental cash flow and non-cash information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/SupplementalcashflowandnoncashinformationTables</Role>
      <ShortName>Supplemental cash flow and non-cash information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Supplementalcashflowandnoncashinformation</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>0000031 - Disclosure - Related parties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/RelatedpartiesTables</Role>
      <ShortName>Related parties (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Relatedparties</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>0000032 - Disclosure - Subsequent events (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/SubsequenteventsTables</Role>
      <ShortName>Subsequent events (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Subsequentevents</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>0000033 - Disclosure - Organization and basis of presentation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/OrganizationandbasisofpresentationDetails</Role>
      <ShortName>Organization and basis of presentation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/OrganizationandbasisofpresentationPolicies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>0000034 - Disclosure - Acquisitions and divestitures - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/AcquisitionsanddivestituresNarrativeDetails</Role>
      <ShortName>Acquisitions and divestitures - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>0000035 - Disclosure - Acquisitions and divestitures - Purchase price (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/AcquisitionsanddivestituresPurchasepriceDetails</Role>
      <ShortName>Acquisitions and divestitures - Purchase price (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>0000036 - Disclosure - Acquisitions and divestitures - Assets acquired and liabilities assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/AcquisitionsanddivestituresAssetsacquiredandliabilitiesassumedDetails</Role>
      <ShortName>Acquisitions and divestitures - Assets acquired and liabilities assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>0000037 - Disclosure - Debt - Long-term Debt, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/DebtLongtermDebtNetDetails</Role>
      <ShortName>Debt - Long-term Debt, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>0000038 - Disclosure - Debt - Senior Unsecured Notes Repurchases (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.laredopetro.com/role/DebtSeniorUnsecuredNotesRepurchasesDetails</Role>
      <ShortName>Debt - Senior Unsecured Notes Repurchases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>0000039 - Disclosure - Debt - Senior Secured Credit Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/DebtSeniorSecuredCreditFacilityDetails</Role>
      <ShortName>Debt - Senior Secured Credit Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>0000040 - Disclosure - Stockholders' equity - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/StockholdersequityNarrativeDetails</Role>
      <ShortName>Stockholders' equity - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>0000041 - Disclosure - Stockholders' equity - Share repurchase program (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/StockholdersequitySharerepurchaseprogramDetails</Role>
      <ShortName>Stockholders' equity - Share repurchase program (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>0000042 - Disclosure - Equity Incentive Plan - Equity Incentive Plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/EquityIncentivePlanEquityIncentivePlanDetails</Role>
      <ShortName>Equity Incentive Plan - Equity Incentive Plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>0000043 - Disclosure - Equity Incentive Plan - Activity for Restricted Stock Awards, Performance Units and Shares and Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/EquityIncentivePlanActivityforRestrictedStockAwardsPerformanceUnitsandSharesandStockOptionsDetails</Role>
      <ShortName>Equity Incentive Plan - Activity for Restricted Stock Awards, Performance Units and Shares and Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>0000044 - Disclosure - Equity Incentive Plan - Equity-based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/EquityIncentivePlanEquitybasedCompensationDetails</Role>
      <ShortName>Equity Incentive Plan - Equity-based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>0000045 - Disclosure - Net income (loss) per common share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/NetincomelosspercommonshareDetails</Role>
      <ShortName>Net income (loss) per common share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/NetincomelosspercommonshareTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>0000046 - Disclosure - Derivatives - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/DerivativesNarrativeDetails</Role>
      <ShortName>Derivatives - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>0000047 - Disclosure - Derivatives - Gain (Loss) on Derivatives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/DerivativesGainLossonDerivativesDetails</Role>
      <ShortName>Derivatives - Gain (Loss) on Derivatives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>0000048 - Disclosure - Derivatives - Summary (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/DerivativesSummaryDetails</Role>
      <ShortName>Derivatives - Summary (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>0000049 - Disclosure - Fair value measurements - Fair Value Hierarchy (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/FairvaluemeasurementsFairValueHierarchyDetails</Role>
      <ShortName>Fair value measurements - Fair Value Hierarchy (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>0000050 - Disclosure - Fair value measurements - Changes in Contingent Consideration (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/FairvaluemeasurementsChangesinContingentConsiderationDetails</Role>
      <ShortName>Fair value measurements - Changes in Contingent Consideration (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>0000051 - Disclosure - Fair value measurements - Carrying Amount of Debt Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/FairvaluemeasurementsCarryingAmountofDebtInstrumentsDetails</Role>
      <ShortName>Fair value measurements - Carrying Amount of Debt Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>0000052 - Disclosure - Commitments and contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/CommitmentsandcontingenciesDetails</Role>
      <ShortName>Commitments and contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Commitmentsandcontingencies</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>0000053 - Disclosure - Supplemental cash flow and non-cash information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/SupplementalcashflowandnoncashinformationDetails</Role>
      <ShortName>Supplemental cash flow and non-cash information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/SupplementalcashflowandnoncashinformationTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>0000054 - Disclosure - Income taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/IncometaxesDetails</Role>
      <ShortName>Income taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Incometaxes</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>0000055 - Disclosure - Related parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/RelatedpartiesDetails</Role>
      <ShortName>Related parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/RelatedpartiesTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>0000056 - Disclosure - Organizational restructurings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/OrganizationalrestructuringsDetails</Role>
      <ShortName>Organizational restructurings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.laredopetro.com/role/Organizationalrestructurings</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>0000057 - Disclosure - Subsequent events - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/SubsequenteventsNarrativeDetails</Role>
      <ShortName>Subsequent events - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="lpi-20220930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>0000058 - Disclosure - Subsequent events - Commodity Derivatives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.laredopetro.com/role/SubsequenteventsCommodityDerivativesDetails</Role>
      <ShortName>Subsequent events - Commodity Derivatives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</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="10-Q" original="lpi-20220930.htm">lpi-20220930.htm</File>
    <File>a3q22ex311.htm</File>
    <File>a3q22ex312.htm</File>
    <File>a3q22ex321.htm</File>
    <File>a3q22ex951.htm</File>
    <File>lpi-20220930.xsd</File>
    <File>lpi-20220930_cal.xml</File>
    <File>lpi-20220930_def.xml</File>
    <File>lpi-20220930_lab.xml</File>
    <File>lpi-20220930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="907">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
