<?xml version="1.0" encoding="utf-8"?>
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  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="frpt-20260610.xsd" xlink:type="simple"/>
    <context id="c20260610to20260610">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001611647</identifier>
        </entity>
        <period>
            <startDate>2026-06-10</startDate>
            <endDate>2026-06-10</endDate>
        </period>
    </context>
    <context id="c20260610to20260610_EntityAddressesAddressTypeAxis_FormerAddressMember">
        <entity>
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            <segment>
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        <period>
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            <endDate>2026-06-10</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="c20260610to20260610"
      id="Fact_40cd9dec75f942b0aea0908519967043">false</dei:AmendmentFlag>
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      contextRef="c20260610to20260610"
      id="Fact_c1ccac41b20e44f5b95af540b5c21099">0001611647</dei:EntityCentralIndexKey>
    <dei:EntityAddressAddressLine1
      contextRef="c20260610to20260610_EntityAddressesAddressTypeAxis_FormerAddressMember"
      id="Fact_d985607c90e040a29ab4422f6fc8b48a">1545 US-206</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="c20260610to20260610_EntityAddressesAddressTypeAxis_FormerAddressMember"
      id="Fact_2d6d1f58907b4cbabcdbdb4f98447dcb">Bedminster</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="c20260610to20260610_EntityAddressesAddressTypeAxis_FormerAddressMember"
      id="Fact_f13c0bb7a0da42ff8ad87ba521924f7f">NJ</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressCountry
      contextRef="c20260610to20260610_EntityAddressesAddressTypeAxis_FormerAddressMember"
      id="Fact_5648ac802afc4635bf67059ea5fa1d7b">US</dei:EntityAddressCountry>
    <dei:EntityAddressPostalZipCode
      contextRef="c20260610to20260610_EntityAddressesAddressTypeAxis_FormerAddressMember"
      id="Fact_b9821e16949240c78e9f6c9ec654e83e">07921</dei:EntityAddressPostalZipCode>
    <dei:DocumentType
      contextRef="c20260610to20260610"
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      contextRef="c20260610to20260610"
      id="Fact_0729c76137ae46e990a1f4bf6e0d2362">2026-06-10</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="c20260610to20260610"
      id="Fact_5d2d686b1475477caffb6e477414d7f2">Freshpet, Inc.</dei:EntityRegistrantName>
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      contextRef="c20260610to20260610"
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    <dei:EntityTaxIdentificationNumber
      contextRef="c20260610to20260610"
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      contextRef="c20260610to20260610"
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    <dei:EntityAddressCityOrTown
      contextRef="c20260610to20260610"
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    <dei:EntityAddressStateOrProvince
      contextRef="c20260610to20260610"
      id="Fact_579e6310863843118bc07be98f82ebb2">NJ</dei:EntityAddressStateOrProvince>
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      id="Fact_13e7519a2aaa417583fc2099c1f23b4d">07921</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="c20260610to20260610"
      id="Fact_5680242abea4460d851e5ce2bcbf9924">201</dei:CityAreaCode>
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      contextRef="c20260610to20260610"
      id="Fact_448a149c36e44b8789c60d7f4f888b2c">520-4000</dei:LocalPhoneNumber>
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      contextRef="c20260610to20260610"
      id="Fact_5932308d6bdf432584830fdf3b692512">false</dei:WrittenCommunications>
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      contextRef="c20260610to20260610"
      id="Fact_e0bc9ad748bd4d98a1fa0bcc92644073">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="c20260610to20260610"
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    <dei:PreCommencementIssuerTenderOffer
      contextRef="c20260610to20260610"
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    <dei:Security12bTitle
      contextRef="c20260610to20260610"
      id="Fact_88b750c6ee73407091bc161fb0d11ef9">Common Stock</dei:Security12bTitle>
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      contextRef="c20260610to20260610"
      id="Fact_cc6e48961b87400c80f96b2a8ebc7ea3">FRPT</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260610to20260610"
      id="Fact_9d3e13dcc6f340d194487cb263d84f88">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="c20260610to20260610"
      id="Fact_d53f0b1c6b8d4171a00472fa809f0167">false</dei:EntityEmergingGrowthCompany>
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