<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c_offering_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001610590</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-16</startDate>
            <endDate>2026-08-16</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001610590</identifier>
        </entity>
        <period>
            <startDate>2026-08-16</startDate>
            <endDate>2026-08-16</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">F-1/A</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001610590</dei:EntityCentralIndexKey>
    <ffd:RegnFileNb contextRef="c_report" id="fee_004">333-297704</ffd:RegnFileNb>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_005" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_006">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c_report" id="fee_007">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_008">F-1</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_009">Check-Cap Ltd.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_010">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_011">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_012">Ordinary Shares, par value NIS 48.00 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_1" id="fee_013">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_014"
      unitRef="USD">15000000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_015"
      unitRef="USD">2072.00</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_016"
      unitRef="USD">15000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_017"
      unitRef="USD">2072.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_018"
      unitRef="USD">2072.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_019"
      unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_020"
      unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_021">The Maximum Aggregate Offering Price of $14,375,000.00 is estimated solely for the purpose of computing the amount of the registration fee pursuant to Rule 457(o) under the Securities Act of 1933, as amended. Includes the aggregate offering price of additional shares that the underwriters have the option to purchase from the registrant, if any. The registrant previously paid registration fees of $2,072.00 for the previously estimated Maximum Aggregate Offering Price of $15,000,000.00 in connection with the public filing of this Registration Statement on Form S-1 on July 24, 2026.</ffd:OfferingNote>
</xbrl>
