<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="rkda-20260330.xsd" xlink:type="simple"/>
    <context id="C_9a00bbee-c478-4d92-8006-afded414c17f">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001469443</identifier>
        </entity>
        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_4edd7fe0-72e2-47be-a3a7-c28ae294c898">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_c2e27ead-b8e1-4227-a977-c41caeebef38">0001469443</dei:EntityCentralIndexKey>
    <dei:DocumentType
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_3e7f49dd-85d2-4455-a0f5-276a13d8fb62">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_d5184993-62ba-4e86-9132-3f00a513c6a1">2026-03-30</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_835d39ad-9e8f-42c3-891e-96ab08ac2315">Arcadia Biosciences, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_e3585af0-cc8b-4926-9519-5aa717883730">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_4a261196-39dd-4a29-b924-9e962c0aa880">001-37383</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_388efa98-a09d-4f1c-8a45-fb7df2bcc3fc">81-0571538</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_9a9b1ccc-15f2-4ec2-b2ab-85488423b5d8">5956 Sherry Lane</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_2733f188-5d53-4b02-a83a-caec0f43769f">Suite 2000</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_a3807ffe-b180-4378-99c6-bebb40c6b1d7">Dallas</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_b2bc326d-9a77-4143-a01b-09a0564d2cc4">TX</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_f77e15df-8618-4910-b686-d30b81e1e0aa">75225</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_2545116f-4c36-4ada-8011-f1f69d74455b">214</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_9d6ec498-468c-4e5b-81f2-b640889a1bed">974-8921</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_50ec8090-0ce3-4a1d-bbcd-e43a79832ff8">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_4374a5af-84c8-4582-b09c-2bb7a3ede4b5">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_04c635e5-b256-425a-91b7-24be8f0013d2">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_3becf6a0-a541-4ca0-8b35-456363ec5122">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_4322655b-bba7-4a53-80c6-2a9b8fceadc6">Common</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_d0e5987d-e69a-4401-a1e8-8622e88c40e1">RKDA</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_794345ba-2ccc-4e0e-8743-b4e9d522af27">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_9a00bbee-c478-4d92-8006-afded414c17f"
      id="F_5475c3a2-a617-4471-9d99-bee6590268e8">false</dei:EntityEmergingGrowthCompany>
</xbrl>
