<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>64</ContextCount>
  <ElementCount>75</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>12</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Statement - Statements of Net Assets Available for Benefits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/StatementsofNetAssetsAvailableforBenefits</Role>
      <ShortName>Statements of Net Assets Available for Benefits</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - Statement - Statement of Changes in Net Assets Available for Benefits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/StatementofChangesinNetAssetsAvailableforBenefits</Role>
      <ShortName>Statement of Changes in Net Assets Available for Benefits</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - Disclosure - Description of Plan and Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/DescriptionofPlanandAccountingPolicies</Role>
      <ShortName>Description of Plan and Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - Disclosure - Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/FinancialInstruments</Role>
      <ShortName>Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - Disclosure - Related Party and Party-In-Interest Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/RelatedPartyandPartyInInterestTransactions</Role>
      <ShortName>Related Party and Party-In-Interest Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - Disclosure - Income Tax Status</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/IncomeTaxStatus</Role>
      <ShortName>Income Tax Status</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - Disclosure - Reconciliation of Financial Statements to Form 5500</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/ReconciliationofFinancialStatementstoForm5500</Role>
      <ShortName>Reconciliation of Financial Statements to Form 5500</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Disclosure - Schedule H, Line 4i – Schedule of Assets (Held At End of Year)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear</Role>
      <ShortName>Schedule H, Line 4i – Schedule of Assets (Held At End of Year)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - Disclosure - Description of Plan and Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/DescriptionofPlanandAccountingPoliciesPolicies</Role>
      <ShortName>Description of Plan and Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.andersonsinc.com/role/DescriptionofPlanandAccountingPolicies</ParentRole>
      <Position>10</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - Disclosure - Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/FinancialInstrumentsTables</Role>
      <ShortName>Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.andersonsinc.com/role/FinancialInstruments</ParentRole>
      <Position>11</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - Reconciliation of Financial Statements to Form 5500 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/ReconciliationofFinancialStatementstoForm5500Tables</Role>
      <ShortName>Reconciliation of Financial Statements to Form 5500 (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.andersonsinc.com/role/ReconciliationofFinancialStatementstoForm5500</ParentRole>
      <Position>12</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - Description of Plan and Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/DescriptionofPlanandAccountingPoliciesDetails</Role>
      <ShortName>Description of Plan and Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.andersonsinc.com/role/DescriptionofPlanandAccountingPoliciesPolicies</ParentRole>
      <Position>13</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/FinancialInstrumentsDetails</Role>
      <ShortName>Financial Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.andersonsinc.com/role/FinancialInstrumentsTables</ParentRole>
      <Position>14</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - Disclosure - Related Party and Party-In-Interest Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/RelatedPartyandPartyInInterestTransactionsDetails</Role>
      <ShortName>Related Party and Party-In-Interest Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.andersonsinc.com/role/RelatedPartyandPartyInInterestTransactions</ParentRole>
      <Position>15</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - Disclosure - Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Assets Available for Benefit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails</Role>
      <ShortName>Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Assets Available for Benefit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails</Role>
      <ShortName>Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ande-20260603.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - Schedule H, Line 4i – Schedule of Assets (Held At End of Year) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.andersonsinc.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails</Role>
      <ShortName>Schedule H, Line 4i – Schedule of Assets (Held At End of Year) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.andersonsinc.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear</ParentRole>
      <Position>18</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="11-K" isDefinitelyFs="true" isUsgaap="true" original="ande-20260603.htm">ande-20260603.htm</File>
    <File>ande-20260603.xsd</File>
    <File>ande-20260603_cal.xml</File>
    <File>ande-20260603_def.xml</File>
    <File>ande-20260603_lab.xml</File>
    <File>ande-20260603_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="136">http://fasb.org/us-gaap-ebp/2026</BaseTaxonomy>
    <BaseTaxonomy items="9">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
