3.26.1 html 488 502 1 true 177 0 false 7 false false R1.htm 995300 - Document - Document And Entity Information Sheet http://reitar.com/20260331/role/DocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 995301 - Document - Auditor Information Sheet http://reitar.com/20260331/role/AuditorInformation Auditor Information Cover 2 false false R3.htm 995302 - Statement - Consolidated Balance Sheets Sheet http://reitar.com/20260331/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 3 false false R4.htm 995303 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://reitar.com/20260331/role/ConsolidatedBalanceSheetsParentheticals Consolidated Balance Sheets (Parentheticals) Statements 4 false false R5.htm 995304 - Statement - Consolidated Statements of Income and Comprehensive Income Sheet http://reitar.com/20260331/role/ConsolidatedStatementsofIncomeandComprehensiveIncome Consolidated Statements of Income and Comprehensive Income Statements 5 false false R6.htm 995305 - Statement - Consolidated Statements of Changes in Shareholders’ Equity Sheet http://reitar.com/20260331/role/ConsolidatedStatementsofChangesinShareholdersEquity Consolidated Statements of Changes in Shareholders’ Equity Statements 6 false false R7.htm 995306 - Statement - Consolidated Statements of Cash Flows Sheet http://reitar.com/20260331/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 995307 - Disclosure - Organization and Principal Activities Sheet http://reitar.com/20260331/role/OrganizationandPrincipalActivities Organization and Principal Activities Notes 8 false false R9.htm 995308 - Disclosure - Summary of Significant Accounting Policies Sheet http://reitar.com/20260331/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 995309 - Disclosure - Segment Information Sheet http://reitar.com/20260331/role/SegmentInformation Segment Information Notes 10 false false R11.htm 995310 - Disclosure - Business Combination Sheet http://reitar.com/20260331/role/BusinessCombination Business Combination Notes 11 false false R12.htm 995311 - Disclosure - Restricted Cash Sheet http://reitar.com/20260331/role/RestrictedCash Restricted Cash Notes 12 false false R13.htm 995312 - Disclosure - Contracts Receivable, Net Sheet http://reitar.com/20260331/role/ContractsReceivableNet Contracts Receivable, Net Notes 13 false false R14.htm 995313 - Disclosure - Contract Assets, Net Sheet http://reitar.com/20260331/role/ContractAssetsNet Contract Assets, Net Notes 14 false false R15.htm 995314 - Disclosure - Retention Receivables, Net Sheet http://reitar.com/20260331/role/RetentionReceivablesNet Retention Receivables, Net Notes 15 false false R16.htm 995315 - Disclosure - Prepaid Expenses and Other Receivables, Net Sheet http://reitar.com/20260331/role/PrepaidExpensesandOtherReceivablesNet Prepaid Expenses and Other Receivables, Net Notes 16 false false R17.htm 995316 - Disclosure - Long-Term Investment Sheet http://reitar.com/20260331/role/LongTermInvestment Long-Term Investment Notes 17 false false R18.htm 995317 - Disclosure - Property and Equipment, Net Sheet http://reitar.com/20260331/role/PropertyandEquipmentNet Property and Equipment, Net Notes 18 false false R19.htm 995318 - Disclosure - Intangible Assets Sheet http://reitar.com/20260331/role/IntangibleAssets Intangible Assets Notes 19 false false R20.htm 995319 - Disclosure - Goodwill Sheet http://reitar.com/20260331/role/Goodwill Goodwill Notes 20 false false R21.htm 995320 - Disclosure - Bank Borrowings Sheet http://reitar.com/20260331/role/BankBorrowings Bank Borrowings Notes 21 false false R22.htm 995321 - Disclosure - Other Loan Sheet http://reitar.com/20260331/role/OtherLoan Other Loan Notes 22 false false R23.htm 995322 - Disclosure - Promissory Notes Notes http://reitar.com/20260331/role/PromissoryNotes Promissory Notes Notes 23 false false R24.htm 995323 - Disclosure - Accrued Expenses and Other Payables Sheet http://reitar.com/20260331/role/AccruedExpensesandOtherPayables Accrued Expenses and Other Payables Notes 24 false false R25.htm 995324 - Disclosure - Right-of-Use Assets and Lease Liabilities Sheet http://reitar.com/20260331/role/RightofUseAssetsandLeaseLiabilities Right-of-Use Assets and Lease Liabilities Notes 25 false false R26.htm 995325 - Disclosure - Contract Liabilities Sheet http://reitar.com/20260331/role/ContractLiabilities Contract Liabilities Notes 26 false false R27.htm 995326 - Disclosure - Disaggregated Revenue Sheet http://reitar.com/20260331/role/DisaggregatedRevenue Disaggregated Revenue Notes 27 false false R28.htm 995327 - Disclosure - Other Income Sheet http://reitar.com/20260331/role/OtherIncome Other Income Notes 28 false false R29.htm 995328 - Disclosure - Taxes Sheet http://reitar.com/20260331/role/Taxes Taxes Notes 29 false false R30.htm 995329 - Disclosure - Related Party Balances and Transactions Sheet http://reitar.com/20260331/role/RelatedPartyBalancesandTransactions Related Party Balances and Transactions Notes 30 false false R31.htm 995330 - Disclosure - Risks and Uncertainties Sheet http://reitar.com/20260331/role/RisksandUncertainties Risks and Uncertainties Notes 31 false false R32.htm 995331 - Disclosure - Shareholders’ Equity Sheet http://reitar.com/20260331/role/ShareholdersEquity Shareholders’ Equity Notes 32 false false R33.htm 995332 - Disclosure - Subsequent Events Sheet http://reitar.com/20260331/role/SubsequentEvents Subsequent Events Notes 33 false false R34.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 34 false false R35.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 35 false false R36.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 36 false false R37.htm 996334 - Disclosure - Accounting Policies, by Policy (Policies) Sheet http://reitar.com/20260331/role/AccountingPoliciesbyPolicyPolicies Accounting Policies, by Policy (Policies) Policies http://reitar.com/20260331/role/SummaryofSignificantAccountingPolicies 37 false false R38.htm 996335 - Disclosure - Organization and Principal Activities (Tables) Sheet http://reitar.com/20260331/role/OrganizationandPrincipalActivitiesTables Organization and Principal Activities (Tables) Tables http://reitar.com/20260331/role/OrganizationandPrincipalActivities 38 false false R39.htm 996336 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://reitar.com/20260331/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://reitar.com/20260331/role/SummaryofSignificantAccountingPolicies 39 false false R40.htm 996337 - Disclosure - Segment Information (Tables) Sheet http://reitar.com/20260331/role/SegmentInformationTables Segment Information (Tables) Tables http://reitar.com/20260331/role/SegmentInformation 40 false false R41.htm 996338 - Disclosure - Business Combination (Tables) Sheet http://reitar.com/20260331/role/BusinessCombinationTables Business Combination (Tables) Tables http://reitar.com/20260331/role/BusinessCombination 41 false false R42.htm 996339 - Disclosure - Contracts Receivable, Net (Tables) Sheet http://reitar.com/20260331/role/ContractsReceivableNetTables Contracts Receivable, Net (Tables) Tables http://reitar.com/20260331/role/ContractsReceivableNet 42 false false R43.htm 996340 - Disclosure - Contract Assets, Net (Tables) Sheet http://reitar.com/20260331/role/ContractAssetsNetTables Contract Assets, Net (Tables) Tables http://reitar.com/20260331/role/ContractAssetsNet 43 false false R44.htm 996341 - Disclosure - Retention Receivables, Net (Tables) Sheet http://reitar.com/20260331/role/RetentionReceivablesNetTables Retention Receivables, Net (Tables) Tables http://reitar.com/20260331/role/RetentionReceivablesNet 44 false false R45.htm 996342 - Disclosure - Prepaid Expenses and Other Receivables, Net (Tables) Sheet http://reitar.com/20260331/role/PrepaidExpensesandOtherReceivablesNetTables Prepaid Expenses and Other Receivables, Net (Tables) Tables http://reitar.com/20260331/role/PrepaidExpensesandOtherReceivablesNet 45 false false R46.htm 996343 - Disclosure - Long-Term Investment (Tables) Sheet http://reitar.com/20260331/role/LongTermInvestmentTables Long-Term Investment (Tables) Tables http://reitar.com/20260331/role/LongTermInvestment 46 false false R47.htm 996344 - Disclosure - Property and Equipment, Net (Tables) Sheet http://reitar.com/20260331/role/PropertyandEquipmentNetTables Property and Equipment, Net (Tables) Tables http://reitar.com/20260331/role/PropertyandEquipmentNet 47 false false R48.htm 996345 - Disclosure - Intangible Assets (Tables) Sheet http://reitar.com/20260331/role/IntangibleAssetsTables Intangible Assets (Tables) Tables http://reitar.com/20260331/role/IntangibleAssets 48 false false R49.htm 996346 - Disclosure - Goodwill (Tables) Sheet http://reitar.com/20260331/role/GoodwillTables Goodwill (Tables) Tables http://reitar.com/20260331/role/Goodwill 49 false false R50.htm 996347 - Disclosure - Bank Borrowings (Tables) Sheet http://reitar.com/20260331/role/BankBorrowingsTables Bank Borrowings (Tables) Tables http://reitar.com/20260331/role/BankBorrowings 50 false false R51.htm 996348 - Disclosure - Other Loan (Tables) Sheet http://reitar.com/20260331/role/OtherLoanTables Other Loan (Tables) Tables http://reitar.com/20260331/role/OtherLoan 51 false false R52.htm 996349 - Disclosure - Promissory Notes (Tables) Notes http://reitar.com/20260331/role/PromissoryNotesTables Promissory Notes (Tables) Tables http://reitar.com/20260331/role/PromissoryNotes 52 false false R53.htm 996350 - Disclosure - Accrued Expenses and Other Payables (Tables) Sheet http://reitar.com/20260331/role/AccruedExpensesandOtherPayablesTables Accrued Expenses and Other Payables (Tables) Tables http://reitar.com/20260331/role/AccruedExpensesandOtherPayables 53 false false R54.htm 996351 - Disclosure - Right-of-Use Assets and Lease Liabilities (Tables) Sheet http://reitar.com/20260331/role/RightofUseAssetsandLeaseLiabilitiesTables Right-of-Use Assets and Lease Liabilities (Tables) Tables http://reitar.com/20260331/role/RightofUseAssetsandLeaseLiabilities 54 false false R55.htm 996352 - Disclosure - Contract Liabilities (Tables) Sheet http://reitar.com/20260331/role/ContractLiabilitiesTables Contract Liabilities (Tables) Tables http://reitar.com/20260331/role/ContractLiabilities 55 false false R56.htm 996353 - Disclosure - Disaggregated Revenue (Tables) Sheet http://reitar.com/20260331/role/DisaggregatedRevenueTables Disaggregated Revenue (Tables) Tables http://reitar.com/20260331/role/DisaggregatedRevenue 56 false false R57.htm 996354 - Disclosure - Other Income (Tables) Sheet http://reitar.com/20260331/role/OtherIncomeTables Other Income (Tables) Tables http://reitar.com/20260331/role/OtherIncome 57 false false R58.htm 996355 - Disclosure - Taxes (Tables) Sheet http://reitar.com/20260331/role/TaxesTables Taxes (Tables) Tables http://reitar.com/20260331/role/Taxes 58 false false R59.htm 996356 - Disclosure - Related Party Balances and Transactions (Tables) Sheet http://reitar.com/20260331/role/RelatedPartyBalancesandTransactionsTables Related Party Balances and Transactions (Tables) Tables http://reitar.com/20260331/role/RelatedPartyBalancesandTransactions 59 false false R60.htm 996357 - Disclosure - Organization and Principal Activities (Details) Sheet http://reitar.com/20260331/role/OrganizationandPrincipalActivitiesDetails Organization and Principal Activities (Details) Details http://reitar.com/20260331/role/OrganizationandPrincipalActivitiesTables 60 false false R61.htm 996358 - Disclosure - Organization and Principal Activities - Schedule of Subsidiary Companies (Details) Sheet http://reitar.com/20260331/role/OrganizationandPrincipalActivitiesScheduleofSubsidiaryCompaniesDetails Organization and Principal Activities - Schedule of Subsidiary Companies (Details) Details 61 false false R62.htm 996359 - Disclosure - Organization and Principal Activities - Schedule of Subsidiary Companies (Parentheticals) (Details) Sheet http://reitar.com/20260331/role/OrganizationandPrincipalActivitiesScheduleofSubsidiaryCompaniesParentheticalsDetails Organization and Principal Activities - Schedule of Subsidiary Companies (Parentheticals) (Details) Details 62 false false R63.htm 996360 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://reitar.com/20260331/role/SummaryofSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://reitar.com/20260331/role/SummaryofSignificantAccountingPoliciesTables 63 false false R64.htm 996361 - Disclosure - Summary of Significant Accounting Policies - Schedule of Depreciation of Property and Equipment (Details) Sheet http://reitar.com/20260331/role/SummaryofSignificantAccountingPoliciesScheduleofDepreciationofPropertyandEquipmentDetails Summary of Significant Accounting Policies - Schedule of Depreciation of Property and Equipment (Details) Details 64 false false R65.htm 996362 - Disclosure - Segment Information (Details) Sheet http://reitar.com/20260331/role/SegmentInformationDetails Segment Information (Details) Details http://reitar.com/20260331/role/SegmentInformationTables 65 false false R66.htm 996363 - Disclosure - Segment Information - Schedule of Key Financial Performance Measures (Details) Sheet http://reitar.com/20260331/role/SegmentInformationScheduleofKeyFinancialPerformanceMeasuresDetails Segment Information - Schedule of Key Financial Performance Measures (Details) Details 66 false false R67.htm 996364 - Disclosure - Business Combination (Details) Sheet http://reitar.com/20260331/role/BusinessCombinationDetails Business Combination (Details) Details http://reitar.com/20260331/role/BusinessCombinationTables 67 false false R68.htm 996365 - Disclosure - Business Combination - Schedule of Estimated Fair Values of Assets and Liabilities (Details) Sheet http://reitar.com/20260331/role/BusinessCombinationScheduleofEstimatedFairValuesofAssetsandLiabilitiesDetails Business Combination - Schedule of Estimated Fair Values of Assets and Liabilities (Details) Details 68 false false R69.htm 996366 - Disclosure - Business Combination - Schedule of Reitar Capital Partners Limited (Details) Sheet http://reitar.com/20260331/role/BusinessCombinationScheduleofReitarCapitalPartnersLimitedDetails Business Combination - Schedule of Reitar Capital Partners Limited (Details) Details 69 false false R70.htm 996367 - Disclosure - Business Combination - Schedule of Business Acquisitions by Cash Inflow and Outflow (Details) Sheet http://reitar.com/20260331/role/BusinessCombinationScheduleofBusinessAcquisitionsbyCashInflowandOutflowDetails Business Combination - Schedule of Business Acquisitions by Cash Inflow and Outflow (Details) Details 70 false false R71.htm 996368 - Disclosure - Restricted Cash (Details) Sheet http://reitar.com/20260331/role/RestrictedCashDetails Restricted Cash (Details) Details http://reitar.com/20260331/role/RestrictedCash 71 false false R72.htm 996369 - Disclosure - Contracts Receivable, Net - Schedule of Contracts Receivable, Net (Details) Sheet http://reitar.com/20260331/role/ContractsReceivableNetScheduleofContractsReceivableNetDetails Contracts Receivable, Net - Schedule of Contracts Receivable, Net (Details) Details 72 false false R73.htm 996370 - Disclosure - Contracts Receivable, Net - Schedule of Allowance for Expected Credit Losses (Details) Sheet http://reitar.com/20260331/role/ContractsReceivableNetScheduleofAllowanceforExpectedCreditLossesDetails Contracts Receivable, Net - Schedule of Allowance for Expected Credit Losses (Details) Details 73 false false R74.htm 996371 - Disclosure - Contract Assets, Net - Schedule of Contract Assets, Net (Details) Sheet http://reitar.com/20260331/role/ContractAssetsNetScheduleofContractAssetsNetDetails Contract Assets, Net - Schedule of Contract Assets, Net (Details) Details 74 false false R75.htm 996372 - Disclosure - Contract Assets, Net - Schedule of Allowance for Expected Credit Losses (Details) Sheet http://reitar.com/20260331/role/ContractAssetsNetScheduleofAllowanceforExpectedCreditLossesDetails Contract Assets, Net - Schedule of Allowance for Expected Credit Losses (Details) Details 75 false false R76.htm 996373 - Disclosure - Retention Receivables, Net - Schedule of Retention Receivables, Net (Details) Sheet http://reitar.com/20260331/role/RetentionReceivablesNetScheduleofRetentionReceivablesNetDetails Retention Receivables, Net - Schedule of Retention Receivables, Net (Details) Details 76 false false R77.htm 996374 - Disclosure - Retention Receivables, Net - Schedule of Allowance for Expected Credit Losses (Details) Sheet http://reitar.com/20260331/role/RetentionReceivablesNetScheduleofAllowanceforExpectedCreditLossesDetails Retention Receivables, Net - Schedule of Allowance for Expected Credit Losses (Details) Details 77 false false R78.htm 996375 - Disclosure - Prepaid Expenses and Other Receivables, Net (Details) Sheet http://reitar.com/20260331/role/PrepaidExpensesandOtherReceivablesNetDetails Prepaid Expenses and Other Receivables, Net (Details) Details http://reitar.com/20260331/role/PrepaidExpensesandOtherReceivablesNetTables 78 false false R79.htm 996376 - Disclosure - Prepaid Expenses and Other Receivables, Net - Schedule of Prepaid Expenses and Other Receivables, Net (Details) Sheet http://reitar.com/20260331/role/PrepaidExpensesandOtherReceivablesNetScheduleofPrepaidExpensesandOtherReceivablesNetDetails Prepaid Expenses and Other Receivables, Net - Schedule of Prepaid Expenses and Other Receivables, Net (Details) Details 79 false false R80.htm 996377 - Disclosure - Prepaid Expenses and Other Receivables, Net - Schedule of Allowance for Expected Credit Losses (Details) Sheet http://reitar.com/20260331/role/PrepaidExpensesandOtherReceivablesNetScheduleofAllowanceforExpectedCreditLossesDetails Prepaid Expenses and Other Receivables, Net - Schedule of Allowance for Expected Credit Losses (Details) Details 80 false false R81.htm 996378 - Disclosure - Long-Term Investment (Details) Sheet http://reitar.com/20260331/role/LongTermInvestmentDetails Long-Term Investment (Details) Details http://reitar.com/20260331/role/LongTermInvestmentTables 81 false false R82.htm 996379 - Disclosure - Long-Term Investment - Schedule of Long-Term Investments, Net (Details) Sheet http://reitar.com/20260331/role/LongTermInvestmentScheduleofLongTermInvestmentsNetDetails Long-Term Investment - Schedule of Long-Term Investments, Net (Details) Details 82 false false R83.htm 996380 - Disclosure - Property and Equipment, Net (Details) Sheet http://reitar.com/20260331/role/PropertyandEquipmentNetDetails Property and Equipment, Net (Details) Details http://reitar.com/20260331/role/PropertyandEquipmentNetTables 83 false false R84.htm 996381 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) Sheet http://reitar.com/20260331/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) Details 84 false false R85.htm 996382 - Disclosure - Intangible Assets - Schedule of Intangible Assets (Details) Sheet http://reitar.com/20260331/role/IntangibleAssetsScheduleofIntangibleAssetsDetails Intangible Assets - Schedule of Intangible Assets (Details) Details 85 false false R86.htm 996383 - Disclosure - Goodwill (Details) Sheet http://reitar.com/20260331/role/GoodwillDetails Goodwill (Details) Details http://reitar.com/20260331/role/GoodwillTables 86 false false R87.htm 996384 - Disclosure - Goodwill - Schedule of Carrying Amount of Goodwill (Details) Sheet http://reitar.com/20260331/role/GoodwillScheduleofCarryingAmountofGoodwillDetails Goodwill - Schedule of Carrying Amount of Goodwill (Details) Details 87 false false R88.htm 996385 - Disclosure - Bank Borrowings (Details) Sheet http://reitar.com/20260331/role/BankBorrowingsDetails Bank Borrowings (Details) Details http://reitar.com/20260331/role/BankBorrowingsTables 88 false false R89.htm 996386 - Disclosure - Bank Borrowings - Schedule of Bank Borrowings (Details) Sheet http://reitar.com/20260331/role/BankBorrowingsScheduleofBankBorrowingsDetails Bank Borrowings - Schedule of Bank Borrowings (Details) Details 89 false false R90.htm 996387 - Disclosure - Other Loan - Schedule of Other Loan (Details) Sheet http://reitar.com/20260331/role/OtherLoanScheduleofOtherLoanDetails Other Loan - Schedule of Other Loan (Details) Details 90 false false R91.htm 996388 - Disclosure - Promissory Notes (Details) Notes http://reitar.com/20260331/role/PromissoryNotesDetails Promissory Notes (Details) Details http://reitar.com/20260331/role/PromissoryNotesTables 91 false false R92.htm 996389 - Disclosure - Promissory Notes - Schedule of Promissory Notes (Details) Notes http://reitar.com/20260331/role/PromissoryNotesScheduleofPromissoryNotesDetails Promissory Notes - Schedule of Promissory Notes (Details) Details 92 false false R93.htm 996390 - Disclosure - Promissory Notes - Schedule of Changes in the Fair Value of Embedded Derivative of Promissory Notes (Details) Notes http://reitar.com/20260331/role/PromissoryNotesScheduleofChangesintheFairValueofEmbeddedDerivativeofPromissoryNotesDetails Promissory Notes - Schedule of Changes in the Fair Value of Embedded Derivative of Promissory Notes (Details) Details 93 false false R94.htm 996391 - Disclosure - Accrued Expenses and Other Payables - Schedule of Accrued Expenses and Other Payables (Details) Sheet http://reitar.com/20260331/role/AccruedExpensesandOtherPayablesScheduleofAccruedExpensesandOtherPayablesDetails Accrued Expenses and Other Payables - Schedule of Accrued Expenses and Other Payables (Details) Details 94 false false R95.htm 996392 - Disclosure - Right-of-Use Assets and Lease Liabilities (Details) Sheet http://reitar.com/20260331/role/RightofUseAssetsandLeaseLiabilitiesDetails Right-of-Use Assets and Lease Liabilities (Details) Details http://reitar.com/20260331/role/RightofUseAssetsandLeaseLiabilitiesTables 95 false false R96.htm 996393 - Disclosure - Right-of-Use Assets and Lease Liabilities - Schedule of Right-of-Use Assets and Lease Liabilities (Details) Sheet http://reitar.com/20260331/role/RightofUseAssetsandLeaseLiabilitiesScheduleofRightofUseAssetsandLeaseLiabilitiesDetails Right-of-Use Assets and Lease Liabilities - Schedule of Right-of-Use Assets and Lease Liabilities (Details) Details 96 false false R97.htm 996394 - Disclosure - Right-of-Use Assets and Lease Liabilities - Schedule of Maturity Analysis of Future Minimum Lease Payments (Details) Sheet http://reitar.com/20260331/role/RightofUseAssetsandLeaseLiabilitiesScheduleofMaturityAnalysisofFutureMinimumLeasePaymentsDetails Right-of-Use Assets and Lease Liabilities - Schedule of Maturity Analysis of Future Minimum Lease Payments (Details) Details 97 false false R98.htm 996395 - Disclosure - Contract Liabilities - Schedule of Contract Liabilities (Details) Sheet http://reitar.com/20260331/role/ContractLiabilitiesScheduleofContractLiabilitiesDetails Contract Liabilities - Schedule of Contract Liabilities (Details) Details 98 false false R99.htm 996396 - Disclosure - Disaggregated Revenue (Details) Sheet http://reitar.com/20260331/role/DisaggregatedRevenueDetails Disaggregated Revenue (Details) Details http://reitar.com/20260331/role/DisaggregatedRevenueTables 99 false false R100.htm 996397 - Disclosure - Disaggregated Revenue - Schedule of Disaggregated Revenue by Major Categories (Details) Sheet http://reitar.com/20260331/role/DisaggregatedRevenueScheduleofDisaggregatedRevenuebyMajorCategoriesDetails Disaggregated Revenue - Schedule of Disaggregated Revenue by Major Categories (Details) Details 100 false false R101.htm 996398 - Disclosure - Disaggregated Revenue - Schedule of Transaction Price Allocated to Remaining Performance Obligations Expected to be Recognized as Revenue (Details) Sheet http://reitar.com/20260331/role/DisaggregatedRevenueScheduleofTransactionPriceAllocatedtoRemainingPerformanceObligationsExpectedtobeRecognizedasRevenueDetails Disaggregated Revenue - Schedule of Transaction Price Allocated to Remaining Performance Obligations Expected to be Recognized as Revenue (Details) Details 101 false false R102.htm 996399 - Disclosure - Other Income - Schedule of Other Income (Details) Sheet http://reitar.com/20260331/role/OtherIncomeScheduleofOtherIncomeDetails Other Income - Schedule of Other Income (Details) Details 102 false false R103.htm 996400 - Disclosure - Taxes (Details) Sheet http://reitar.com/20260331/role/TaxesDetails Taxes (Details) Details http://reitar.com/20260331/role/TaxesTables 103 false false R104.htm 996401 - Disclosure - Taxes - Schedule of Income Tax Expenses (Details) Sheet http://reitar.com/20260331/role/TaxesScheduleofIncomeTaxExpensesDetails Taxes - Schedule of Income Tax Expenses (Details) Details 104 false false R105.htm 996402 - Disclosure - Taxes - Schedule of Statutory Rates to the Effective Tax Rate (Details) Sheet http://reitar.com/20260331/role/TaxesScheduleofStatutoryRatestotheEffectiveTaxRateDetails Taxes - Schedule of Statutory Rates to the Effective Tax Rate (Details) Details 105 false false R106.htm 996403 - Disclosure - Taxes - Schedule of Deferred Tax Assets (Details) Sheet http://reitar.com/20260331/role/TaxesScheduleofDeferredTaxAssetsDetails Taxes - Schedule of Deferred Tax Assets (Details) Details 106 false false R107.htm 996404 - Disclosure - Taxes - Schedule of Valuation Allowance (Details) Sheet http://reitar.com/20260331/role/TaxesScheduleofValuationAllowanceDetails Taxes - Schedule of Valuation Allowance (Details) Details 107 false false R108.htm 996405 - Disclosure - Related Party Balances and Transactions (Details) Sheet http://reitar.com/20260331/role/RelatedPartyBalancesandTransactionsDetails Related Party Balances and Transactions (Details) Details http://reitar.com/20260331/role/RelatedPartyBalancesandTransactionsTables 108 false false R109.htm 996406 - Disclosure - Related Party Balances and Transactions - Schedule of Relationships with Related Parties (Details) Sheet http://reitar.com/20260331/role/RelatedPartyBalancesandTransactionsScheduleofRelationshipswithRelatedPartiesDetails Related Party Balances and Transactions - Schedule of Relationships with Related Parties (Details) Details 109 false false R110.htm 996407 - Disclosure - Related Party Balances and Transactions - Schedule of Amount Due from (to) Related Parties (Details) Sheet http://reitar.com/20260331/role/RelatedPartyBalancesandTransactionsScheduleofAmountDuefromtoRelatedPartiesDetails Related Party Balances and Transactions - Schedule of Amount Due from (to) Related Parties (Details) Details 110 false false R111.htm 996408 - Disclosure - Related Party Balances and Transactions - Schedule of Related Party Balances (Details) Sheet http://reitar.com/20260331/role/RelatedPartyBalancesandTransactionsScheduleofRelatedPartyBalancesDetails Related Party Balances and Transactions - Schedule of Related Party Balances (Details) Details 111 false false R112.htm 996409 - Disclosure - Risks and Uncertainties (Details) Sheet http://reitar.com/20260331/role/RisksandUncertaintiesDetails Risks and Uncertainties (Details) Details http://reitar.com/20260331/role/RisksandUncertainties 112 false false R113.htm 996410 - Disclosure - Shareholders’ Equity (Details) Sheet http://reitar.com/20260331/role/ShareholdersEquityDetails Shareholders’ Equity (Details) Details http://reitar.com/20260331/role/ShareholdersEquity 113 false false R114.htm 996411 - Disclosure - Subsequent Events (Details) Sheet http://reitar.com/20260331/role/SubsequentEventsDetails Subsequent Events (Details) Details http://reitar.com/20260331/role/SubsequentEvents 114 false false All Reports Book All Reports ea0301276-20f_reitar.htm ritr-20260331.xsd ritr-20260331_cal.xml ritr-20260331_def.xml ritr-20260331_lab.xml ritr-20260331_pre.xml ea030127601_img1.jpg ea030127601_img2.jpg ea030127601_img3.jpg ea030127601_img4.jpg ea030127601_img5.jpg ea030127601_img6.jpg http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/cyd/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 true true