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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000354963</identifier>
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            <startDate>2026-01-01</startDate>
            <endDate>2026-06-30</endDate>
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000354963</identifier>
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        <period>
            <instant>2026-07-22</instant>
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    <unit id="shares">
        <measure>shares</measure>
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    <dei:EntityCentralIndexKey contextRef="c-1" id="f-25">0000354963</dei:EntityCentralIndexKey>
    <dei:CurrentFiscalYearEndDate contextRef="c-1" id="f-26">--12-31</dei:CurrentFiscalYearEndDate>
    <dei:DocumentFiscalYearFocus contextRef="c-1" id="f-27">2026</dei:DocumentFiscalYearFocus>
    <dei:DocumentFiscalPeriodFocus contextRef="c-1" id="f-28">Q2</dei:DocumentFiscalPeriodFocus>
    <dei:AmendmentFlag contextRef="c-1" id="f-29">true</dei:AmendmentFlag>
    <dei:DocumentType contextRef="c-1" id="f-1">10-Q/A</dei:DocumentType>
    <dei:DocumentQuarterlyReport contextRef="c-1" id="f-2">true</dei:DocumentQuarterlyReport>
    <dei:DocumentPeriodEndDate contextRef="c-1" id="f-3">2026-06-30</dei:DocumentPeriodEndDate>
    <dei:DocumentTransitionReport contextRef="c-1" id="f-4">false</dei:DocumentTransitionReport>
    <dei:EntityFileNumber contextRef="c-1" id="f-5">000-09881</dei:EntityFileNumber>
    <dei:EntityRegistrantName contextRef="c-1" id="f-6">SHENANDOAH TELECOMMUNICATIONS COMPANY</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="c-1" id="f-7">VA</dei:EntityIncorporationStateCountryCode>
    <dei:EntityTaxIdentificationNumber contextRef="c-1" id="f-8">54-1162807</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="c-1" id="f-9">500 Shentel Way</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="c-1" id="f-10">Edinburg</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="c-1" id="f-11">VA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="c-1" id="f-12">22824</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="c-1" id="f-13">540</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="c-1" id="f-14">984-4141</dei:LocalPhoneNumber>
    <dei:Security12bTitle contextRef="c-1" id="f-15">Common Stock (No Par Value)</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="c-1" id="f-16">SHEN</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-1" id="f-17">NASDAQ</dei:SecurityExchangeName>
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    <dei:EntityCurrentReportingStatus contextRef="c-1" id="f-19">Yes</dei:EntityCurrentReportingStatus>
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    <dei:EntityFilerCategory contextRef="c-1" id="f-21">Large Accelerated Filer</dei:EntityFilerCategory>
    <dei:EntitySmallBusiness contextRef="c-1" id="f-22">false</dei:EntitySmallBusiness>
    <dei:EntityEmergingGrowthCompany contextRef="c-1" id="f-23">false</dei:EntityEmergingGrowthCompany>
    <dei:EntityShellCompany contextRef="c-1" id="f-24">false</dei:EntityShellCompany>
    <dei:AmendmentDescription contextRef="c-1" id="f-30">Explanatory Note Shenandoah Telecommunications Company (&#x201c;Shentel&#x201d;, &#x201c;we&#x201d;, &#x201c;our&#x201d;, &#x201c;us&#x201d;, or the &#x201c;Company&#x201d;) is filing this Amendment No. 1 (this &#x201c;Amendment&#x201d;) to our Quarterly Report on Form 10-Q for the quarter ended June 30, 2026, previously filed with the Securities and Exchange Commission on July 29, 2026 (the &#x201c;Original Filing&#x201d;), solely for the purpose of correcting a typographical error in the number of shares of Shentel common stock outstanding on July 22, 2026. Specifically, the number of shares outstanding as of July 22, 2026 was 55,364,680. Except as described above, this Amendment does not amend, update or change any other items or disclosures contained in the Original Filing. This Amendment does not reflect or purport to reflect any information or events occurring after the date and time of the Original Filing nor does it modify or update the disclosures contained in the Original Filing that may be affected by subsequent events. Accordingly, this Amendment should be read in conjunction with the Original Filing.</dei:AmendmentDescription>
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