<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  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="c-1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001108205</identifier>
        </entity>
        <period>
            <startDate>2026-08-10</startDate>
            <endDate>2026-08-10</endDate>
        </period>
    </context>
    <context id="c-2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001108205</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-10</startDate>
            <endDate>2026-08-10</endDate>
        </period>
    </context>
    <context id="c-3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001108205</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-10</startDate>
            <endDate>2026-08-10</endDate>
        </period>
    </context>
    <context id="c-4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001108205</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-10</startDate>
            <endDate>2026-08-10</endDate>
        </period>
    </context>
    <context id="c-5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001108205</identifier>
        </entity>
        <period>
            <startDate>2025-11-06</startDate>
            <endDate>2025-11-06</endDate>
        </period>
    </context>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="number">
        <measure>pure</measure>
    </unit>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <ffd:FeeExhibitTp contextRef="c-1" id="f-31">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c-5" id="f-32">N/A</ffd:OffsetTableNa>
    <ffd:AmtSctiesRegd contextRef="c-2" decimals="0" id="f-33" unitRef="shares">3731344</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty contextRef="c-2" decimals="5" id="f-34" unitRef="usd">4.02</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric contextRef="c-2" decimals="2" id="f-35" unitRef="usd">30000000</ffd:MaxAggtOfferingPric>
    <ffd:TtlOfferingAmt contextRef="c-1" decimals="2" id="f-36" unitRef="usd">30000000</ffd:TtlOfferingAmt>
    <ffd:FormTp contextRef="c-1" id="f-37">S-1</ffd:FormTp>
    <ffd:SubmissnTp contextRef="c-1" id="f-38">S-1</ffd:SubmissnTp>
    <dei:EntityCentralIndexKey contextRef="c-1" id="f-39">0001108205</dei:EntityCentralIndexKey>
    <ffd:FormTp contextRef="c-1" id="f-1">S-1</ffd:FormTp>
    <ffd:SubmissnTp contextRef="c-1" id="f-2">S-1</ffd:SubmissnTp>
    <dei:EntityRegistrantName contextRef="c-1" id="f-3">Curis, Inc.</dei:EntityRegistrantName>
    <ffd:OfferingNote contextRef="c-2" id="f-4">&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:7pt;font-weight:400;line-height:100%"&gt;(1)&lt;/span&gt;</ffd:OfferingNote>
    <ffd:OfferingSctyTp contextRef="c-2" id="f-5">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-2" id="f-6">Common Stock, $0.01 par value per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c-2" id="f-7">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="c-2" id="f-8">false</ffd:PrevslyPdFlg>
    <ffd:MaxAggtOfferingPric contextRef="c-2" decimals="2" id="f-9" unitRef="usd">30000000</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate contextRef="c-2" decimals="8" id="f-10" unitRef="number">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt contextRef="c-2" decimals="2" id="f-11" unitRef="usd">4143</ffd:FeeAmt>
    <ffd:OfferingNote contextRef="c-3" id="f-12">&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:7pt;font-weight:400;line-height:100%"&gt;(2)&lt;/span&gt;</ffd:OfferingNote>
    <ffd:OfferingSctyTp contextRef="c-3" id="f-13">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-3" id="f-14">Pre-Funded Warrants to purchase Common Stock</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c-3" id="f-15">true</ffd:FeesOthrRuleFlg>
    <ffd:PrevslyPdFlg contextRef="c-3" id="f-16">false</ffd:PrevslyPdFlg>
    <ffd:FeeRate contextRef="c-3" decimals="8" id="f-17" unitRef="number">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt contextRef="c-3" decimals="2" id="f-18" unitRef="usd">0</ffd:FeeAmt>
    <ffd:OfferingNote contextRef="c-4" id="f-19">&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:7pt;font-weight:400;line-height:100%"&gt;(3)&lt;/span&gt;</ffd:OfferingNote>
    <ffd:OfferingSctyTp contextRef="c-4" id="f-20">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-4" id="f-21">Common Warrants to purchase Common Stock</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c-4" id="f-22">true</ffd:FeesOthrRuleFlg>
    <ffd:PrevslyPdFlg contextRef="c-4" id="f-23">false</ffd:PrevslyPdFlg>
    <ffd:FeeRate contextRef="c-4" decimals="8" id="f-24" unitRef="number">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt contextRef="c-4" decimals="2" id="f-25" unitRef="usd">0</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="c-1" decimals="2" id="f-26" unitRef="usd">30000000</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="c-1" decimals="2" id="f-27" unitRef="usd">4143</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="c-1" decimals="2" id="f-28" unitRef="usd">0</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="c-1" decimals="2" id="f-29" unitRef="usd">0</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="c-1" decimals="2" id="f-30" unitRef="usd">4143</ffd:NetFeeAmt>
</xbrl>
