<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>269</ContextCount>
  <ElementCount>330</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>76</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>10</UnitCount>
  <MyReports>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Statement - Consolidated Condensed Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/ConsolidatedCondensedBalanceSheets</Role>
      <ShortName>Consolidated Condensed Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - Statement - Consolidated Condensed Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/ConsolidatedCondensedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Condensed Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - Statement - Consolidated Condensed Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/ConsolidatedCondensedStatementsofOperations</Role>
      <ShortName>Consolidated Condensed Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - Statement - Consolidated Condensed Statements of Comprehensive Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/ConsolidatedCondensedStatementsofComprehensiveLoss</Role>
      <ShortName>Consolidated Condensed Statements of Comprehensive Loss</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - Statement - Consolidated Condensed Statements of Stockholders??? Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/ConsolidatedCondensedStatementsofStockholdersEquity</Role>
      <ShortName>Consolidated Condensed Statements of Stockholders??? Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - Statement - Consolidated Condensed Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/ConsolidatedCondensedStatementsofCashFlows</Role>
      <ShortName>Consolidated Condensed Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - Disclosure - Organization and Nature of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/OrganizationandNatureofBusiness</Role>
      <ShortName>Organization and Nature of Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Disclosure - Liquidity and Going Concern</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/LiquidityandGoingConcern</Role>
      <ShortName>Liquidity and Going Concern</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - Disclosure - Property and Equipment, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/PropertyandEquipmentNet</Role>
      <ShortName>Property and Equipment, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - Accrued Expenses and Other Current Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/AccruedExpensesandOtherCurrentLiabilities</Role>
      <ShortName>Accrued Expenses and Other Current Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - Notes Payable</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.archer.com/role/NotesPayable</Role>
      <ShortName>Notes Payable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - Disclosure - Preferred and Common Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/PreferredandCommonStock</Role>
      <ShortName>Preferred and Common Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - Disclosure - Stock-Based Compensation???</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensation</Role>
      <ShortName>Stock-Based Compensation???</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - 401(k) Savings Plan???</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/A401kSavingsPlan</Role>
      <ShortName>401(k) Savings Plan???</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - Liability Classified Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/LiabilityClassifiedWarrants</Role>
      <ShortName>Liability Classified Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>0000020 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9954701 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.archer.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9954702 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.archer.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9954703 - Disclosure - Property and Equipment, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/PropertyandEquipmentNetTables</Role>
      <ShortName>Property and Equipment, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.archer.com/role/PropertyandEquipmentNet</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9954704 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables</Role>
      <ShortName>Accrued Expenses and Other Current Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.archer.com/role/AccruedExpensesandOtherCurrentLiabilities</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9954705 - Disclosure - Notes Payable (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.archer.com/role/NotesPayableTables</Role>
      <ShortName>Notes Payable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.archer.com/role/NotesPayable</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9954706 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/CommitmentsandContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.archer.com/role/CommitmentsandContingencies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9954707 - Disclosure - Stock-Based Compensation??? (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensationTables</Role>
      <ShortName>Stock-Based Compensation??? (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.archer.com/role/StockBasedCompensation</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9954708 - Disclosure - Organization and Nature of Business (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/OrganizationandNatureofBusinessDetails</Role>
      <ShortName>Organization and Nature of Business (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/OrganizationandNatureofBusiness</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9954709 - Disclosure - Liquidity and Going Concern (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/LiquidityandGoingConcernDetails</Role>
      <ShortName>Liquidity and Going Concern (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/LiquidityandGoingConcern</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9954710 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9954711 - Disclosure - Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents, and Restricted Cash (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesScheduleofCashCashEquivalentsandRestrictedCashDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents, and Restricted Cash (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9954712 - Disclosure - Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9954713 - Disclosure - Summary of Significant Accounting Policies - Schedule of Cash Equivalents and Short-Term Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesScheduleofCashEquivalentsandShortTermInvestmentsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Cash Equivalents and Short-Term Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9954714 - Disclosure - Summary of Significant Accounting Policies - Schedule of Key Inputs into the Monte Carlo Simulation Model for the Private Placement Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesScheduleofKeyInputsintotheMonteCarloSimulationModelforthePrivatePlacementWarrantsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Key Inputs into the Monte Carlo Simulation Model for the Private Placement Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9954715 - Disclosure - Summary of Significant Accounting Policies - Schedule of Change in Fair Value of Level 3 Private Placement Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesScheduleofChangeinFairValueofLevel3PrivatePlacementWarrantsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Change in Fair Value of Level 3 Private Placement Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9954716 - Disclosure - Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SummaryofSignificantAccountingPoliciesScheduleofAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9954717 - Disclosure - Property and Equipment, Net - Schedule of Property, Plant and Equipment Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/PropertyandEquipmentNetScheduleofPropertyPlantandEquipmentNetDetails</Role>
      <ShortName>Property and Equipment, Net - Schedule of Property, Plant and Equipment Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9954718 - Disclosure - Property and Equipment, Net - Schedule of Depreciation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/PropertyandEquipmentNetScheduleofDepreciationExpenseDetails</Role>
      <ShortName>Property and Equipment, Net - Schedule of Depreciation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9954719 - Disclosure - Accrued Expenses and Other Current Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails</Role>
      <ShortName>Accrued Expenses and Other Current Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9954720 - Disclosure - Notes Payable - Schedule of Long-Term Notes Payable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.archer.com/role/NotesPayableScheduleofLongTermNotesPayableDetails</Role>
      <ShortName>Notes Payable - Schedule of Long-Term Notes Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9954721 - Disclosure - Notes Payable - Narrative (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.archer.com/role/NotesPayableNarrativeDetails</Role>
      <ShortName>Notes Payable - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9954722 - Disclosure - Notes Payable - Schedule of Principal Maturities of Notes Payable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.archer.com/role/NotesPayableScheduleofPrincipalMaturitiesofNotesPayableDetails</Role>
      <ShortName>Notes Payable - Schedule of Principal Maturities of Notes Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9954723 - Disclosure - Commitments and Contingencies - Schedule of Lease Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/CommitmentsandContingenciesScheduleofLeaseCostsDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule of Lease Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9954724 - Disclosure - Commitments and Contingencies - Schedule of Operating Lease Maturities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/CommitmentsandContingenciesScheduleofOperatingLeaseMaturitiesDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule of Operating Lease Maturities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9954725 - Disclosure - Commitments and Contingencies - Schedule of Non-Cash Lease Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/CommitmentsandContingenciesScheduleofNonCashLeaseActivitiesDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule of Non-Cash Lease Activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9954726 - Disclosure - Commitments and Contingencies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/CommitmentsandContingenciesNarrativeDetails</Role>
      <ShortName>Commitments and Contingencies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9954727 - Disclosure - Preferred and Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/PreferredandCommonStockDetails</Role>
      <ShortName>Preferred and Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/PreferredandCommonStock</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9954728 - Disclosure - Stock-Based Compensation??? - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensationNarrativeDetails</Role>
      <ShortName>Stock-Based Compensation??? - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9954729 - Disclosure - Stock-Based Compensation??? - Schedule of Key Assumptions and Fair Value Results under ESPP (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensationScheduleofKeyAssumptionsandFairValueResultsunderESPPDetails</Role>
      <ShortName>Stock-Based Compensation??? - Schedule of Key Assumptions and Fair Value Results under ESPP (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9954730 - Disclosure - Stock-Based Compensation??? - Schedule of Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensationScheduleofStockOptionActivityDetails</Role>
      <ShortName>Stock-Based Compensation??? - Schedule of Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9954731 - Disclosure - Stock-Based Compensation??? - Schedule of RSU Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensationScheduleofRSUActivityDetails</Role>
      <ShortName>Stock-Based Compensation??? - Schedule of RSU Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9954732 - Disclosure - Stock-Based Compensation??? - Schedule of Stock-Based Compensation Expense in Respective Category (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensationScheduleofStockBasedCompensationExpenseinRespectiveCategoryDetails</Role>
      <ShortName>Stock-Based Compensation??? - Schedule of Stock-Based Compensation Expense in Respective Category (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9954733 - Disclosure - Stock-Based Compensation??? - Schedule of Warrant Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/StockBasedCompensationScheduleofWarrantActivityDetails</Role>
      <ShortName>Stock-Based Compensation??? - Schedule of Warrant Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9954734 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/IncomeTaxes</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9954735 - Disclosure - 401(k) Savings Plan??? (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/A401kSavingsPlanDetails</Role>
      <ShortName>401(k) Savings Plan??? (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/A401kSavingsPlan</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9954736 - Disclosure - Liability Classified Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/LiabilityClassifiedWarrantsDetails</Role>
      <ShortName>Liability Classified Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/LiabilityClassifiedWarrants</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="achr-20230630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9954737 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.archer.com/role/SubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.archer.com/role/SubsequentEvents</ParentRole>
      <Position>57</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="10-Q" original="achr-20230630.htm">achr-20230630.htm</File>
    <File>achr-20230630.xsd</File>
    <File>achr-20230630_cal.xml</File>
    <File>achr-20230630_def.xml</File>
    <File>achr-20230630_lab.xml</File>
    <File>achr-20230630_pre.xml</File>
    <File>exhibit311-q223.htm</File>
    <File>exhibit312-q223.htm</File>
    <File>exhibit321-q223.htm</File>
    <File>exhibit322-q223.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="696">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="34">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
