<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>3</ContextCount>
  <ElementCount>38</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="cpe-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995100 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/dei/role/document/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="cpe-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995300 - Document - Audit Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/dei/role/document/AuditInformation</Role>
      <ShortName>Audit Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[dq-60520-AmendmentDescription-AmendmentFlag-Dependent-Value] In submission type 10-K/A, AmendmentDescription should be provided if and only if AmendmentFlag has value true in context c-1. cpe-20231231.htm </Log>
    <Log type="Warning">[ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 1 fact(s) appearing in ix:hidden were eligible for transformation: dei:CurrentFiscalYearEndDate -  cpe-20231231.htm 4</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-K/A" isDefinitelyFs="true" isOnlyDei="true" original="cpe-20231231.htm">cpe-20231231.htm</File>
    <File>cpe-20231231.xsd</File>
  </InputFiles>
  <SupplementalFiles>
    <File>cpe-20231231_g1.jpg</File>
    <File>cpe-20231231_g10.jpg</File>
    <File>cpe-20231231_g11.jpg</File>
    <File>cpe-20231231_g12.jpg</File>
    <File>cpe-20231231_g13.jpg</File>
    <File>cpe-20231231_g14.jpg</File>
    <File>cpe-20231231_g15.jpg</File>
    <File>cpe-20231231_g16.gif</File>
    <File>cpe-20231231_g17.jpg</File>
    <File>cpe-20231231_g18.gif</File>
    <File>cpe-20231231_g19.jpg</File>
    <File>cpe-20231231_g2.jpg</File>
    <File>cpe-20231231_g20.gif</File>
    <File>cpe-20231231_g21.gif</File>
    <File>cpe-20231231_g3.jpg</File>
    <File>cpe-20231231_g4.jpg</File>
    <File>cpe-20231231_g5.jpg</File>
    <File>cpe-20231231_g6.jpg</File>
    <File>cpe-20231231_g7.gif</File>
    <File>cpe-20231231_g8.jpg</File>
    <File>cpe-20231231_g9.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="38">http://xbrl.sec.gov/dei/2022q4</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
