<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.2.u1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>424</ContextCount>
  <ElementCount>604</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>127</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100090 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1100100 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1100105 - Statement - CONSOLIDATED BALANCE SHEETS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementConsolidatedBalanceSheetsParentheticals</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1100200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementConsolidatedStatementsOfOperations</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1100300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementConsolidatedStatementsOfChangesInStockholdersDeficit</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1100400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>1110101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureDescriptionOfOrganizationAndBusinessOperations</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>1110201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciess</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>1110301 - Disclosure - PUBLIC OFFERING</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosurePublicOffering</Role>
      <ShortName>PUBLIC OFFERING</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>1110401 - Disclosure - PRIVATE PLACEMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosurePrivatePlacement</Role>
      <ShortName>PRIVATE PLACEMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>1110501 - Disclosure - RELATED PARTY TRANSACTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>RELATED PARTY TRANSACTIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>1110601 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciess</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>1110701 - Disclosure - STOCKHOLDERS' DEFICIT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureStockholdersDeficit</Role>
      <ShortName>STOCKHOLDERS' DEFICIT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>1110801 - Disclosure - WARRANTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureWarrants</Role>
      <ShortName>WARRANTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>1110901 - Disclosure - INCOME TAX</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIncomeTax</Role>
      <ShortName>INCOME TAX</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>1111001 - Disclosure - FAIR VALUE MEASUREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurements</Role>
      <ShortName>FAIR VALUE MEASUREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>1111101 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSubsequentEventss</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>1120202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPoliciess</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>1130203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciess</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>1130903 - Disclosure - INCOME TAX (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIncomeTaxTables</Role>
      <ShortName>INCOME TAX (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureIncomeTax</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>1131003 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>1140101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureDescriptionOfOrganizationAndBusinessOperationsDetails</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureDescriptionOfOrganizationAndBusinessOperations</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>1140201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>1140202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of common stock reflected in the balance sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetailsScheduleOfCommonStockReflectedInBalanceSheets</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of common stock reflected in the balance sheets</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>1140203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of basic and diluted net income per share of common stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetailsScheduleOfBasicAndDilutedNetIncomePerShareOfCommonStock</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of basic and diluted net income per share of common stock</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>1140301 - Disclosure - PUBLIC OFFERING (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosurePublicOfferingDetails</Role>
      <ShortName>PUBLIC OFFERING (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosurePublicOffering</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>1140401 - Disclosure - PRIVATE PLACEMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosurePrivatePlacementDetails</Role>
      <ShortName>PRIVATE PLACEMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosurePrivatePlacement</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>1140501 - Disclosure - RELATED PARTY TRANSACTIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureRelatedPartyTransactionsDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureRelatedPartyTransactions</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>1140601 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesDetailss</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciess</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>1140701 - Disclosure - STOCKHOLDERS' DEFICIT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureStockholdersDeficitDetails</Role>
      <ShortName>STOCKHOLDERS' DEFICIT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureStockholdersDeficit</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>1140801 - Disclosure - WARRANTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureWarrantsDetails</Role>
      <ShortName>WARRANTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureWarrants</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>1140901 - Disclosure - INCOME TAX - Schedule of net deferred tax assets (liability) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIncomeTaxScheduleOfNetDeferredTaxAssetsLiabilityDetails</Role>
      <ShortName>INCOME TAX - Schedule of net deferred tax assets (liability) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>1140902 - Disclosure - INCOME TAX - Income tax (benefit) provision (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIncomeTaxIncomeTaxBenefitProvisionDetails</Role>
      <ShortName>INCOME TAX - Income tax (benefit) provision (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>1140903 - Disclosure - INCOME TAX - Reconciliation of the federal income tax rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIncomeTaxReconciliationOfFederalIncomeTaxRateDetails</Role>
      <ShortName>INCOME TAX - Reconciliation of the federal income tax rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>1140904 - Disclosure - INCOME TAX (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIncomeTaxDetails</Role>
      <ShortName>INCOME TAX (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureIncomeTaxTables</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>1141001 - Disclosure - FAIR VALUE MEASUREMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>1141002 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Company's assets and liabilities that are measured at fair value on a recurring basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfCompanySAssetsAndLiabilitiesThatAreMeasuredAtFairValueOnRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of Company's assets and liabilities that are measured at fair value on a recurring basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>1141003 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Key Inputs into the Black-Scholes model for the Private Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfKeyInputsIntoBlackScholesModelForPrivateWarrantsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of Key Inputs into the Black-Scholes model for the Private Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>1141004 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of key inputs into the Monte Carlo model for the non-redeemable Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfKeyInputsIntoMonteCarloModelForNonRedeemableCommonStockDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of key inputs into the Monte Carlo model for the non-redeemable Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>1141005 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of changes in the fair value of the PIPE derivative liability and the warrant liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfChangesInFairValueOfPipeDerivativeLiabilityAndWarrantLiabilityDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of changes in the fair value of the PIPE derivative liability and the warrant liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>1141101 - Disclosure - SUBSEQUENT EVENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSubsequentEventsDetails</Role>
      <ShortName>SUBSEQUENT EVENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSubsequentEventss</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>1200100 - Statement - CONDENSED STATEMENTS OF FINANCIAL CONDITION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedStatementsOfFinancialCondition</Role>
      <ShortName>CONDENSED STATEMENTS OF FINANCIAL CONDITION</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>1200105 - Statement - CONDENSED STATEMENTS OF FINANCIAL CONDITION (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedStatementsOfFinancialConditionParenthetical</Role>
      <ShortName>CONDENSED STATEMENTS OF FINANCIAL CONDITION (Parenthetical)</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>1200200 - Statement - CONDENSED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedStatementsOfOperations</Role>
      <ShortName>CONDENSED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>1200300 - Statement - STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementStatementOfChangesInStockholdersEquity</Role>
      <ShortName>STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>1200400 - Statement - CONDENSED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedStatementsOfCashFlows</Role>
      <ShortName>CONDENSED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>1200405 - Statement - CONDENSED STATEMENTS OF CASH FLOWS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedStatementsOfCashFlowsParenthetical</Role>
      <ShortName>CONDENSED STATEMENTS OF CASH FLOWS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>1210101 - Disclosure - BASIS OF FINANCIAL STATEMENT PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureBasisOfFinancialStatementPresentation</Role>
      <ShortName>BASIS OF FINANCIAL STATEMENT PRESENTATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>1210201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>1210301 - Disclosure - CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashSegregatedInAccordanceWithFederalRegulations</Role>
      <ShortName>CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>1210401 - Disclosure - NET CAPITAL REQUIREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureNetCapitalRequirements</Role>
      <ShortName>NET CAPITAL REQUIREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>1210501 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>1210601 - Disclosure - CASH AND RESTRICTED CASH</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCash</Role>
      <ShortName>CASH AND RESTRICTED CASH</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>1210701 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSubsequentEvents</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>1220202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>1230603 - Disclosure - CASH AND RESTRICTED CASH (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCashTables</Role>
      <ShortName>CASH AND RESTRICTED CASH (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCash</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>1240301 - Disclosure - CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashSegregatedInAccordanceWithFederalRegulationsDetails</Role>
      <ShortName>CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCashSegregatedInAccordanceWithFederalRegulations</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>1240401 - Disclosure - NET CAPITAL REQUIREMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureNetCapitalRequirementsDetails</Role>
      <ShortName>NET CAPITAL REQUIREMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureNetCapitalRequirements</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>1240501 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciess</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>1240502 - Disclosure - COMMITMENTS AND CONTINGENCIES - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesLeasesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>1240601 - Disclosure - CASH AND RESTRICTED CASH (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCashDetails</Role>
      <ShortName>CASH AND RESTRICTED CASH (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCashTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>200100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedConsolidatedBalanceSheets</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>200105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedConsolidatedBalanceSheetsParentheticals</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals)</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>200200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedConsolidatedStatementsOfOperations</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>200300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedConsolidatedStatementsOfChangesInStockholdersDeficit</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>200400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/StatementCondensedConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>210101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureDescriptionOfOrganizationAndBusinessOperationss</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>210201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesss</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>210301 - Disclosure - CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashSegregatedInAccordanceWithFederalRegulationss</Role>
      <ShortName>CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>210401 - Disclosure - NET CAPITAL REQUIREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureNetCapitalRequirementss</Role>
      <ShortName>NET CAPITAL REQUIREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>210501 - Disclosure - CASH AND RESTRICTED CASH</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCashs</Role>
      <ShortName>CASH AND RESTRICTED CASH</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>210601 - Disclosure - RELATED PARTY TRANSACTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureRelatedPartyTransactionss</Role>
      <ShortName>RELATED PARTY TRANSACTIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>210701 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesss</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>210801 - Disclosure - ACQUISITION OF WILSON-DAVIS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfWilsonDavis</Role>
      <ShortName>ACQUISITION OF WILSON-DAVIS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>210901 - Disclosure - ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfAssetsOfAtlasclearInc</Role>
      <ShortName>ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>211001 - Disclosure - INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIntangibleAssets</Role>
      <ShortName>INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>211101 - Disclosure - DEPOSIT ON ACQUISITION OF COMMERCIAL BANCORP</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureDepositOnAcquisitionOfCommercialBancorp</Role>
      <ShortName>DEPOSIT ON ACQUISITION OF COMMERCIAL BANCORP</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>211201 - Disclosure - LEASES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureLeases</Role>
      <ShortName>LEASES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>211301 - Disclosure - STOCKHOLDERS' DEFICIT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureStockholdersDeficits</Role>
      <ShortName>STOCKHOLDERS' DEFICIT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>211401 - Disclosure - WARRANTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureWarrantss</Role>
      <ShortName>WARRANTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>211501 - Disclosure - FAIR VALUE MEASUREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementss</Role>
      <ShortName>FAIR VALUE MEASUREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>211601 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSubsequentEventsss</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>220202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPoliciesss</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>230203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTabless</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciess</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>230503 - Disclosure - CASH AND RESTRICTED CASH (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCashTabless</Role>
      <ShortName>CASH AND RESTRICTED CASH (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCash</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>230803 - Disclosure - ACQUISITION OF WILSON-DAVIS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfWilsonDavisTables</Role>
      <ShortName>ACQUISITION OF WILSON-DAVIS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureAcquisitionOfWilsonDavis</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>230903 - Disclosure - ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfAssetsOfAtlasclearIncTables</Role>
      <ShortName>ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureAcquisitionOfAssetsOfAtlasclearInc</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>231003 - Disclosure - INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIntangibleAssetsTables</Role>
      <ShortName>INTANGIBLE ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureIntangibleAssets</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>231203 - Disclosure - LEASES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureLeasesTables</Role>
      <ShortName>LEASES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureLeases</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>231503 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsTabless</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>240101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureDescriptionOfOrganizationAndBusinessOperationsDetailss</Role>
      <ShortName>DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureDescriptionOfOrganizationAndBusinessOperations</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>240201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetailss</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>92</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>240202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of basic and diluted net income per share of common stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetailsScheduleOfBasicAndDilutedNetIncomePerShareOfCommonStocks</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of basic and diluted net income per share of common stock</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>240203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of dilutive instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfDilutiveInstrumentsDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of dilutive instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>240301 - Disclosure - CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashSegregatedInAccordanceWithFederalRegulationsDetailss</Role>
      <ShortName>CASH SEGREGATED IN ACCORDANCE WITH FEDERAL REGULATIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCashSegregatedInAccordanceWithFederalRegulations</ParentRole>
      <Position>95</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>240401 - Disclosure - NET CAPITAL REQUIREMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureNetCapitalRequirementsDetailss</Role>
      <ShortName>NET CAPITAL REQUIREMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureNetCapitalRequirements</ParentRole>
      <Position>96</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>240501 - Disclosure - CASH AND RESTRICTED CASH (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCashDetailss</Role>
      <ShortName>CASH AND RESTRICTED CASH (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureCashAndRestrictedCashTables</ParentRole>
      <Position>97</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>240601 - Disclosure - RELATED PARTY TRANSACTIONS - Founder Shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureRelatedPartyTransactionsFounderSharesDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS - Founder Shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>240602 - Disclosure - RELATED PARTY TRANSACTIONS - Related Party Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureRelatedPartyTransactionsRelatedPartyLoansDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS - Related Party Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>240603 - Disclosure - RELATED PARTY TRANSACTIONS - Advances from Related Parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureRelatedPartyTransactionsAdvancesFromRelatedPartiesDetails</Role>
      <ShortName>RELATED PARTY TRANSACTIONS - Advances from Related Parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>240701 - Disclosure - COMMITMENTS AND CONTINGENCIES - Registration Rights (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesRegistrationRightsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Registration Rights (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>240702 - Disclosure - COMMITMENTS AND CONTINGENCIES - Business Combination Marketing Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesBusinessCombinationMarketingAgreementDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Business Combination Marketing Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>240703 - Disclosure - COMMITMENTS AND CONTINGENCIES - Non-Redemption Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesNonRedemptionAgreementDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Non-Redemption Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>240704 - Disclosure - COMMITMENTS AND CONTINGENCIES - Expense Settlements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesExpenseSettlementsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Expense Settlements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>240705 - Disclosure - COMMITMENTS AND CONTINGENCIES - Additional Settlements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesAdditionalSettlementsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Additional Settlements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>240706 - Disclosure - COMMITMENTS AND CONTINGENCIES - Excise Taxes Payable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesExciseTaxesPayableDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Excise Taxes Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>240707 - Disclosure - COMMITMENTS AND CONTINGENCIES - Convertible Note Financing (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesConvertibleNoteFinancingDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Convertible Note Financing (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>240708 - Disclosure - COMMITMENTS AND CONTINGENCIES - Subscription Agreement and Satisfaction and Discharge Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesSubscriptionAgreementAndSatisfactionAndDischargeAgreementDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Subscription Agreement and Satisfaction and Discharge Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>240709 - Disclosure - COMMITMENTS AND CONTINGENCIES - Wilson-Davis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureCommitmentsAndContingenciesWilsonDavisDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Wilson-Davis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>240801 - Disclosure - ACQUISITION OF WILSON-DAVIS - Broker-Dealer Acquisition Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfWilsonDavisBrokerDealerAcquisitionAgreementDetails</Role>
      <ShortName>ACQUISITION OF WILSON-DAVIS - Broker-Dealer Acquisition Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>240802 - Disclosure - ACQUISITION OF WILSON-DAVIS - Sponsors (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfWilsonDavisSponsorsDetails</Role>
      <ShortName>ACQUISITION OF WILSON-DAVIS - Sponsors (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>240803 - Disclosure - ACQUISITION OF WILSON-DAVIS - Preliminary allocation of the purchase price (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfWilsonDavisPreliminaryAllocationOfPurchasePriceDetails</Role>
      <ShortName>ACQUISITION OF WILSON-DAVIS - Preliminary allocation of the purchase price (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>240804 - Disclosure - ACQUISITION OF WILSON-DAVIS - Unidentified excess of the purchase price over the fair value of the net assets acquired recorded as goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfWilsonDavisUnidentifiedExcessOfPurchasePriceOverFairValueOfNetAssetsAcquiredRecordedAsGoodwillDetails</Role>
      <ShortName>ACQUISITION OF WILSON-DAVIS - Unidentified excess of the purchase price over the fair value of the net assets acquired recorded as goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>240901 - Disclosure - ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfAssetsOfAtlasclearIncDetails</Role>
      <ShortName>ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureAcquisitionOfAssetsOfAtlasclearIncTables</ParentRole>
      <Position>114</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>240902 - Disclosure - ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC - Purchase price allocation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfAssetsOfAtlasclearIncPurchasePriceAllocationDetails</Role>
      <ShortName>ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC - Purchase price allocation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>240903 - Disclosure - ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC - Additional information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureAcquisitionOfAssetsOfAtlasclearIncAdditionalInformationDetails</Role>
      <ShortName>ACQUISITION OF THE ASSETS OF ATLASCLEAR, INC - Additional information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>241001 - Disclosure - INTANGIBLE ASSETS - Pacsquare Purchase Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIntangibleAssetsPacsquarePurchaseAgreementDetails</Role>
      <ShortName>INTANGIBLE ASSETS - Pacsquare Purchase Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>241003 - Disclosure - INTANGIBLE ASSETS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureIntangibleAssetsDetails</Role>
      <ShortName>INTANGIBLE ASSETS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureIntangibleAssetsTables</ParentRole>
      <Position>118</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>241101 - Disclosure - DEPOSIT ON ACQUISITION OF COMMERCIAL BANCORP - Amendment to Bank Acquisition Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureDepositOnAcquisitionOfCommercialBancorpAmendmentToBankAcquisitionAgreementDetails</Role>
      <ShortName>DEPOSIT ON ACQUISITION OF COMMERCIAL BANCORP - Amendment to Bank Acquisition Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>241201 - Disclosure - LEASES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureLeasesNarrativeDetails</Role>
      <ShortName>LEASES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>241202 - Disclosure - LEASES - Schedule of other information related to the Company's operating leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureLeasesScheduleOfOtherInformationRelatedToCompanySOperatingLeasesDetails</Role>
      <ShortName>LEASES - Schedule of other information related to the Company's operating leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>241203 - Disclosure - LEASES - Schedule of weighted-average remaining lease term and weighted-average discount rates related to the Company's operating leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureLeasesScheduleOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRatesRelatedToCompanySOperatingLeasesDetails</Role>
      <ShortName>LEASES - Schedule of weighted-average remaining lease term and weighted-average discount rates related to the Company's operating leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>241204 - Disclosure - LEASES - Tabular disclosure of future minimum payments required by the lease agreements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureLeasesTabularDisclosureOfFutureMinimumPaymentsRequiredByLeaseAgreementsDetails</Role>
      <ShortName>LEASES - Tabular disclosure of future minimum payments required by the lease agreements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>241301 - Disclosure - STOCKHOLDERS' DEFICIT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureStockholdersDeficitDetailss</Role>
      <ShortName>STOCKHOLDERS' DEFICIT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureStockholdersDeficit</ParentRole>
      <Position>124</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>241401 - Disclosure - WARRANTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureWarrantsDetailss</Role>
      <ShortName>WARRANTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureWarrants</ParentRole>
      <Position>125</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>241501 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Company's assets and liabilities that are measured at fair value on a recurring basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfCompanySAssetsAndLiabilitiesThatAreMeasuredAtFairValueOnRecurringBasisDetailss</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of Company's assets and liabilities that are measured at fair value on a recurring basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>241502 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Key Inputs into the Black-Scholes model for the Private Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfKeyInputsIntoBlackScholesModelForPrivateWarrantsDetailss</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of Key Inputs into the Black-Scholes model for the Private Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>241503 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of key inputs into the Monte Carlo model for the non-redeemable Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfKeyInputsIntoMonteCarloModelForNonRedeemableCommonStockDetailss</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of key inputs into the Monte Carlo model for the non-redeemable Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>241504 - Disclosure - FAIR VALUE MEASUREMENTS - Monte Carlo model for the Earnout liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsMonteCarloModelForEarnoutLiabilityDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Monte Carlo model for the Earnout liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>241505 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of changes in the fair value of the PIPE derivative liability and the warrant liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsScheduleOfChangesInFairValueOfPipeDerivativeLiabilityAndWarrantLiabilityDetailss</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of changes in the fair value of the PIPE derivative liability and the warrant liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>241506 - Disclosure - FAIR VALUE MEASUREMENTS - Level 3 fair value measurement key inputs into the Black-Scholes model for the Conversion derivative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsLevel3FairValueMeasurementKeyInputsIntoBlackScholesModelForConversionDerivativeDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Level 3 fair value measurement key inputs into the Black-Scholes model for the Conversion derivative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>241507 - Disclosure - FAIR VALUE MEASUREMENTS - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsAdditionalInformationDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>241508 - Disclosure - FAIR VALUE MEASUREMENTS - Fair value Assets and Liabilities Transfer Amount (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureFairValueMeasurementsFairValueAssetsAndLiabilitiesTransferAmountDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Fair value Assets and Liabilities Transfer Amount (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="tmb-20240331xs1a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>241601 - Disclosure - SUBSEQUENT EVENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.atlasclear.com/role/DisclosureSubsequentEventsDetailss</Role>
      <ShortName>SUBSEQUENT EVENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.atlasclear.com/role/DisclosureSubsequentEventss</ParentRole>
      <Position>134</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>tmb-20240331.xsd</File>
    <File>tmb-20240331_cal.xml</File>
    <File>tmb-20240331_def.xml</File>
    <File>tmb-20240331_lab.xml</File>
    <File>tmb-20240331_pre.xml</File>
    <File doctype="S-1/A" isDefinitelyFs="true" isUsgaap="true" original="tmb-20240331xs1a.htm">tmb-20240331xs1a.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="8">http://fasb.org/srt/2023</BaseTaxonomy>
    <BaseTaxonomy items="1180">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="9">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
