<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  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/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916793</identifier>
        </entity>
        <period>
            <startDate>2026-06-24</startDate>
            <endDate>2026-06-24</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916793</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-24</startDate>
            <endDate>2026-06-24</endDate>
        </period>
    </context>
    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916793</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-06-24</startDate>
            <endDate>2026-06-24</endDate>
        </period>
    </context>
    <context id="offrl_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916793</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-24</startDate>
            <endDate>2026-06-24</endDate>
        </period>
    </context>
    <context id="offrl_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916793</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-24</startDate>
            <endDate>2026-06-24</endDate>
        </period>
    </context>
    <context id="offrl_5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916793</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-24</startDate>
            <endDate>2026-06-24</endDate>
        </period>
    </context>
    <context id="offrl_6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916793</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>6</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-24</startDate>
            <endDate>2026-06-24</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-410">F-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-411">F-3</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-412">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-413">0000916793</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-414">SILICOM LTD.</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="rc" id="hiddenrcCombinedProspectusTableNa">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="7"
      id="ixv-418"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="7"
      id="ixv-419"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="7"
      id="ixv-420"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_4"
      decimals="7"
      id="ixv-421"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_5"
      decimals="7"
      id="ixv-422"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FormTp contextRef="rc" id="ixv-492">F-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-493">SILICOM LTD.</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-494">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-495">Ordinary shares, par value NIS 0.10 per share </ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_1" id="ixv-496">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-497">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-498">Rights </ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_2" id="ixv-499">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-500">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-501">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_3" id="ixv-502">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-503">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-504">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_4" id="ixv-505">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-506">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-507">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_5" id="ixv-508">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="offrl_6" id="ixv-509">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-510">Unallocated (Universal) Shelf</ffd:OfferingSctyTp>
    <ffd:Rule457oFlg contextRef="offrl_6" id="ixv-511">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_6"
      decimals="2"
      id="ixv-512"
      unitRef="USD">120000000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_6"
      decimals="7"
      id="ixv-513"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_6"
      decimals="2"
      id="ixv-514"
      unitRef="USD">16572.00</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-515" unitRef="USD">120000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-516" unitRef="USD">16572.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-517" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-518" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-519" unitRef="USD">16572.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_6" id="ixv-520">a) There are being registered under this registration statement such indeterminate number of ordinary shares, warrants, debt securities, rights, and units, as may be sold by the Registrant from time to time, which collectively shall have an aggregate initial offering price not to exceed $120,000,000 or, if any securities are issued for consideration denominated in a foreign currency, such amount as shall result in an aggregate initial offering price equivalent to a maximum of $120,000,000. The securities registered hereunder also include such indeterminate number of ordinary shares as may be issued upon conversion, exercise or exchange of warrants that provide for such conversion into, exercise for or exchange into ordinary shares. In addition, pursuant to Rule 416 under the Securities Act of 1933, as amended (the "Securities Act") the ordinary shares being registered hereunder include such indeterminate number of ordinary shares as may be issuable with respect to the shares being registered hereunder as a result of stock splits, stock dividends,  or similar transactions.

b)	An unspecified number of securities or aggregate principal amount, as applicable, is being registered as may from time to time be offered at unspecified prices.

c)	Estimated solely or the purpose of calculating the registration fee. No separate consideration will be received for ordinary shares that are issued upon conversion of debt securities or upon exercise of warrants registered </ffd:OfferingNote>
</xbrl>
