<?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">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c0">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001855129</identifier>
        </entity>
        <period>
            <startDate>2026-05-14</startDate>
            <endDate>2026-05-14</endDate>
        </period>
    </context>
    <context id="c1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001855129</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-14</startDate>
            <endDate>2026-05-14</endDate>
        </period>
    </context>
    <context id="c2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001855129</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-14</startDate>
            <endDate>2026-05-14</endDate>
        </period>
    </context>
    <context id="c3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001855129</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-14</startDate>
            <endDate>2026-05-14</endDate>
        </period>
    </context>
    <context id="c4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001855129</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-14</startDate>
            <endDate>2026-05-14</endDate>
        </period>
    </context>
    <context id="c5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001855129</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-14</startDate>
            <endDate>2026-05-14</endDate>
        </period>
    </context>
    <context id="c6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001855129</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>6</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-14</startDate>
            <endDate>2026-05-14</endDate>
        </period>
    </context>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c0" id="ixv-254">F-3</ffd:SubmissnTp>
    <ffd:FormTp contextRef="c0" id="ixv-255">F-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c0" id="ixv-24">GH Research PLC</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c1" id="ixv-256">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c1" id="ixv-257">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c1" id="ixv-258">Ordinary Shares</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c1" id="ixv-259">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="c2" id="ixv-260">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c2" id="ixv-261">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c2" id="ixv-262">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c2" id="ixv-263">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="c3" id="ixv-264">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c3" id="ixv-265">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c3" id="ixv-266">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c3" id="ixv-267">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="c4" id="ixv-268">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c4" id="ixv-269">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c4" id="ixv-270">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c4" id="ixv-271">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="c5" id="ixv-272">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c5" id="ixv-273">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c5" id="ixv-274">Subscription Rights</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c5" id="ixv-275">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="c6" id="ixv-276">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c6" id="ixv-277">Unallocated (Universal) Shelf</ffd:OfferingSctyTp>
    <ffd:Rule457oFlg contextRef="c6" id="ixv-278">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric contextRef="c6" decimals="INF" id="ixv-279" unitRef="usd">400000000</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate contextRef="c6" decimals="INF" id="ixv-280" unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt contextRef="c6" decimals="2" id="ixv-281" unitRef="usd">55240</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="c0" decimals="INF" id="ixv-282" unitRef="usd">400000000</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="c0" decimals="2" id="ixv-283" unitRef="usd">55240</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="c0" decimals="0" id="ixv-284" unitRef="usd">0</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="c0" decimals="0" id="ixv-285" unitRef="usd">0</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="c0" decimals="2" id="ixv-286" unitRef="usd">55240</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c1" id="ixv-234">&lt;table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"&gt; &lt;tr style="height: 0px; font-size: 0px;"&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 99%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt; &lt;td style="padding: 0px 0pt; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; (1) &lt;/div&gt; &lt;/td&gt; &lt;td style="padding: 0px 5.4pt; text-align: left; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; The amount to be registered consists of up to $400,000,000 of an indeterminate amount of ordinary shares, debt securities, warrants, units and/or subscription rights that may be offered and sold from time to time in one or more offerings. &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c2" id="ixv-235">&lt;table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"&gt; &lt;tr style="height: 0px; font-size: 0px;"&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 99%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt; &lt;td style="padding: 0px 0pt; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; (1) &lt;/div&gt; &lt;/td&gt; &lt;td style="padding: 0px 5.4pt; text-align: left; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; The amount to be registered consists of up to $400,000,000 of an indeterminate amount of ordinary shares, debt securities, warrants, units and/or subscription rights that may be offered and sold from time to time in one or more offerings. &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c3" id="ixv-236">&lt;table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"&gt; &lt;tr style="height: 0px; font-size: 0px;"&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 99%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt; &lt;td style="padding: 0px 0pt; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; (1) &lt;/div&gt; &lt;/td&gt; &lt;td style="padding: 0px 5.4pt; text-align: left; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; The amount to be registered consists of up to $400,000,000 of an indeterminate amount of ordinary shares, debt securities, warrants, units and/or subscription rights that may be offered and sold from time to time in one or more offerings. &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c4" id="ixv-237">&lt;table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"&gt; &lt;tr style="height: 0px; font-size: 0px;"&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 99%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt; &lt;td style="padding: 0px 0pt; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; (1) &lt;/div&gt; &lt;/td&gt; &lt;td style="padding: 0px 5.4pt; text-align: left; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; The amount to be registered consists of up to $400,000,000 of an indeterminate amount of ordinary shares, debt securities, warrants, units and/or subscription rights that may be offered and sold from time to time in one or more offerings. &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c5" id="ixv-238">&lt;table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"&gt; &lt;tr style="height: 0px; font-size: 0px;"&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 99%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt; &lt;td style="padding: 0px 0pt; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; (1) &lt;/div&gt; &lt;/td&gt; &lt;td style="padding: 0px 5.4pt; text-align: left; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; The amount to be registered consists of up to $400,000,000 of an indeterminate amount of ordinary shares, debt securities, warrants, units and/or subscription rights that may be offered and sold from time to time in one or more offerings. &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c6" id="ixv-239">&lt;table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"&gt; &lt;tr style="height: 0px; font-size: 0px;"&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 99%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt; &lt;td style="padding: 0px 0pt; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; (1) &lt;/div&gt; &lt;/td&gt; &lt;td style="padding: 0px 5.4pt; text-align: left; font-size: 10pt;"&gt; &lt;div style="margin-bottom: 4pt;"&gt; The amount to be registered consists of up to $400,000,000 of an indeterminate amount of ordinary shares, debt securities, warrants, units and/or subscription rights that may be offered and sold from time to time in one or more offerings. &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</ffd:OfferingNote>
    <ffd:CombinedProspectusTableNa contextRef="c0" id="ixv-289">N/A</ffd:CombinedProspectusTableNa>
    <dei:EntityCentralIndexKey contextRef="c0" id="ixv-290">0001855129</dei:EntityCentralIndexKey>
    <ffd:FeeExhibitTp contextRef="c0" id="ixv-291">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c0" id="ixv-292">N/A</ffd:OffsetTableNa>
</xbrl>
