<?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">0001771007</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-11-11</startDate>
            <endDate>2025-11-11</endDate>
        </period>
    </context>
    <context id="c_offering_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001771007</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-11-11</startDate>
            <endDate>2025-11-11</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001771007</identifier>
        </entity>
        <period>
            <startDate>2025-11-11</startDate>
            <endDate>2025-11-11</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001771007</dei:EntityCentralIndexKey>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_004">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="c_offering_2" id="fee_005">false</ffd:PrevslyPdFlg>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_006" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_007">N/A</ffd:OffsetTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_008">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_009">Afya Ltd</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_010">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_011">Class A Common Shares, nominal value US $0.00005 per common share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c_offering_1" id="fee_012">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="c_offering_1"
      decimals="0"
      id="fee_013"
      unitRef="shares">3393220</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_014"
      unitRef="USD">14.08</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_015"
      unitRef="USD">47776538.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_016"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_017"
      unitRef="USD">6597.94</ffd:FeeAmt>
    <ffd:OfferingSctyTp contextRef="c_offering_2" id="fee_018">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_2" id="fee_019">Class A Common Shares, nominal value US $0.00005 per common share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c_offering_2" id="fee_020">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="c_offering_2"
      decimals="0"
      id="fee_021"
      unitRef="shares">987016</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_022"
      unitRef="USD">14.08</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_023"
      unitRef="USD">13897185.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_024"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_025"
      unitRef="USD">1919.20</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_026"
      unitRef="USD">61673723.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_027"
      unitRef="USD">8517.14</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_028"
      unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_029"
      unitRef="USD">8517.14</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_030">Amount registered represents 3,393,220 Class A Common Shares, nominal value US $0.00005 per common share (&#x201c;Common Shares&#x201d;), of Afya Limited (the &#x201c;Registrant&#x201d;) that are reserved for issuance under the Amended and Restated Stock Option Plan of Afya Limited (the &#x201c;Stock Option Plan&#x201d;) and any additional Common Shares that become issuable under the Stock Option Plan by reason of any share dividend, share split, or other similar transaction pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;).</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_2" id="fee_031">Amount registered represents 987,016 Common Shares that are reserved for issuance under the Restricted Stock Plan of Afya Ltd. (the &#x201c;Restricted Stock Plan&#x201d;) and any additional Common Shares that become issuable under the Restricted Stock Plan by reason of any share dividend, share split, or other similar transaction pursuant to Rule 416(a) under the Securities Act.&lt;br/&gt;&lt;br/&gt;The proposed maximum offering price per unit is estimated in accordance with Rule 457(c) and Rule 457(h) of the Securities Act solely for the purpose of computing the registration fee, based on the average of the high and low prices reported for a Common Share on NASDAQ on November 7, 2025.&lt;br/&gt;&lt;br/&gt;Amount of Registration Fee is rounded up to the nearest penny.&lt;br/&gt;&lt;br/&gt;The Registrant does not have any fee offsets.</ffd:OfferingNote>
</xbrl>
