3.26.1 html 429 398 1 true 186 0 false 10 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - CONSOLIDATED BALANCE SHEETS (unaudited) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_StatementCONSOLIDATEDBALANCESHEETSUnaudited CONSOLIDATED BALANCE SHEETS (unaudited) Statements 2 false false R3.htm 75020 - Statement - CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_StatementCONSOLIDATEDBALANCESHEETSUnauditedParenthetical CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_StatementCONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) Statements 4 false false R5.htm 75040 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_StatementCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITYUnaudited CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) Statements 5 false false R6.htm 75050 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_StatementCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) Statements 6 false false R7.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 7 false false R8.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 8 false false R9.htm 995455 - Disclosure - Organization and Business Operations Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureOrganizationAndBusinessOperations Organization and Business Operations Notes 9 false false R10.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 995475 - Disclosure - Commercial Mortgage Loans Held for Investment Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommercialMortgageLoansHeldForInvestment Commercial Mortgage Loans Held for Investment Notes 11 false false R12.htm 995485 - Disclosure - Repurchase Agreements and Mortgage Loan Payable Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRepurchaseAgreementsAndMortgageLoanPayable1 Repurchase Agreements and Mortgage Loan Payable Notes 12 false false R13.htm 995495 - Disclosure - Real Estate Securities Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateSecurities Real Estate Securities Notes 13 false false R14.htm 995505 - Disclosure - Loan Participations Sold, Net Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureLoanParticipationsSoldNet Loan Participations Sold, Net Notes 14 false false R15.htm 995515 - Disclosure - Stockholders' Equity Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquity Stockholders' Equity Notes 15 false false R16.htm 995525 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareAttributableToCommonStockholders Net Income (Loss) Per Share Attributable to Common Stockholders Notes 16 false false R17.htm 995535 - Disclosure - Commitments and Contingencies Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 17 false false R18.htm 995545 - Disclosure - Segment Reporting Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSegmentReporting Segment Reporting Notes 18 false false R19.htm 995555 - Disclosure - Transactions with Related Parties Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureTransactionsWithRelatedParties Transactions with Related Parties Notes 19 false false R20.htm 995565 - Disclosure - Equity-Based Compensation Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureEquityBasedCompensation Equity-Based Compensation Notes 20 false false R21.htm 995575 - Disclosure - Fair Value of Financial Instruments Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureFairValueOfFinancialInstruments Fair Value of Financial Instruments Notes 21 false false R22.htm 995585 - Disclosure - Real Estate Owned Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwned Real Estate Owned Notes 22 false false R23.htm 995595 - Disclosure - Subsequent Events Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSubsequentEvents Subsequent Events Notes 23 false false R24.htm 995605 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 24 false false R25.htm 995615 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 25 false false R26.htm 995625 - Disclosure - Commercial Mortgage Loans Held for Investment (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommercialMortgageLoansHeldForInvestmentTables Commercial Mortgage Loans Held for Investment (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommercialMortgageLoansHeldForInvestment 26 false false R27.htm 995635 - Disclosure - Repurchase Agreements and Mortgage Loan Payable (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRepurchaseAgreementsAndMortgageLoanPayableTables Repurchase Agreements and Mortgage Loan Payable (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/DisclosureRepurchaseAgreementsAndMortgageLoanPayable1 27 false false R28.htm 995645 - Disclosure - Real Estate Securities (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateSecuritiesTables Real Estate Securities (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateSecurities 28 false false R29.htm 995655 - Disclosure - Loan Participations Sold, Net (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureLoanParticipationsSoldNetTables Loan Participations Sold, Net (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureLoanParticipationsSoldNet 29 false false R30.htm 995665 - Disclosure - Stockholders' Equity (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquityTables Stockholders' Equity (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquity 30 false false R31.htm 995675 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareAttributableToCommonStockholdersTables Net Income (Loss) Per Share Attributable to Common Stockholders (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareAttributableToCommonStockholders 31 false false R32.htm 995685 - Disclosure - Transactions with Related Parties (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureTransactionsWithRelatedPartiesTables Transactions with Related Parties (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureTransactionsWithRelatedParties 32 false false R33.htm 995695 - Disclosure - Equity-Based Compensation (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureEquityBasedCompensationTables Equity-Based Compensation (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureEquityBasedCompensation 33 false false R34.htm 995705 - Disclosure - Fair Value of Financial Instruments (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsTables Fair Value of Financial Instruments (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureFairValueOfFinancialInstruments 34 false false R35.htm 995715 - Disclosure - Real Estate Owned (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedTables Real Estate Owned (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwned 35 false false R36.htm 995725 - Disclosure - Subsequent Events (Tables) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSubsequentEventsTables Subsequent Events (Tables) Tables http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSubsequentEvents 36 false false R37.htm 995735 - Disclosure - Organization and Business Operations - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureOrganizationAndBusinessOperationsAdditionalInformationDetails Organization and Business Operations - Additional Information (Details) Details 37 false false R38.htm 995745 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 38 false false R39.htm 995755 - Disclosure - Summary of Significant Accounting Policies - Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfReconciliationOfCashCashEquivalentsAndRestrictedCashDetails Summary of Significant Accounting Policies - Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) Details 39 false false R40.htm 995765 - Disclosure - Commercial Mortgage Loans Held for Investment - Schedule of Commercial Mortgage Loans held for Investment (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommercialMortgageLoansHeldForInvestmentScheduleOfCommercialMortgageLoansHeldForInvestmentDetails Commercial Mortgage Loans Held for Investment - Schedule of Commercial Mortgage Loans held for Investment (Details) Details 40 false false R41.htm 995775 - Disclosure - Commercial Mortgage Loans Held for Investment - Schedule of Commercial Mortgage Loans held for Investment (Parenthetical) (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureCommercialMortgageLoansHeldForInvestmentScheduleOfCommercialMortgageLoansHeldForInvestmentParentheticalDetails Commercial Mortgage Loans Held for Investment - Schedule of Commercial Mortgage Loans held for Investment (Parenthetical) (Details) Details 41 false false R42.htm 995785 - Disclosure - Commercial Mortgage Loans Held for Investment - Schedule of Commercial Mortgage Loans held for Investment Portfolio (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommercialMortgageLoansHeldForInvestmentScheduleOfCommercialMortgageLoansHeldForInvestmentPortfolioDetails Commercial Mortgage Loans Held for Investment - Schedule of Commercial Mortgage Loans held for Investment Portfolio (Details) Details 42 false false R43.htm 995795 - Disclosure - Commercial Mortgage Loans Held for Investment - Schedule of Allowance for Credit Losses (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureCommercialMortgageLoansHeldForInvestmentScheduleOfAllowanceForCreditLossesDetails Commercial Mortgage Loans Held for Investment - Schedule of Allowance for Credit Losses (Details) Details 43 false false R44.htm 995805 - Disclosure - Commercial Mortgage Loans Held for Investment - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommercialMortgageLoansHeldForInvestmentAdditionalInformationDetails Commercial Mortgage Loans Held for Investment - Additional Information (Details) Details 44 false false R45.htm 995815 - Disclosure - Commercial Mortgage Loans Held for Investment - Summary of Investment Grade of Loans Loss (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommercialMortgageLoansHeldForInvestmentSummaryOfInvestmentGradeOfLoansLossDetails Commercial Mortgage Loans Held for Investment - Summary of Investment Grade of Loans Loss (Details) Details 45 false false R46.htm 995825 - Disclosure - Commercial Mortgage Loans Held for Investment - Schedule of asset specific Cecl reserve (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureCommercialMortgageLoansHeldForInvestmentScheduleOfAssetSpecificCeclReserveDetails Commercial Mortgage Loans Held for Investment - Schedule of asset specific Cecl reserve (Details) Details 46 false false R47.htm 995835 - Disclosure - Commercial Mortgage Loans Held for Investment - Schedule of asset specific Cecl reserve (Parenthetical) (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureCommercialMortgageLoansHeldForInvestmentScheduleOfAssetSpecificCeclReserveParentheticalDetails Commercial Mortgage Loans Held for Investment - Schedule of asset specific Cecl reserve (Parenthetical) (Details) Details 47 false false R48.htm 995845 - Disclosure - Real Estate Securities - Summary of Real Estate Securities (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateSecuritiesSummaryOfRealEstateSecuritiesDetails Real Estate Securities - Summary of Real Estate Securities (Details) Details 48 false false R49.htm 995855 - Disclosure - Real Estate Securities - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateSecuritiesAdditionalInformationDetails Real Estate Securities - Additional Information (Details) Details 49 false false R50.htm 995865 - Disclosure - Repurchase Agreements and Mortgage Loan Payable - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRepurchaseAgreementsAndMortgageLoanPayableAdditionalInformationDetails Repurchase Agreements and Mortgage Loan Payable - Additional Information (Details) Details 50 false false R51.htm 995875 - Disclosure - Repurchase Agreements and Mortgage Loan Payable - Schedule of Outstanding Repurchase Agreements (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRepurchaseAgreementsAndMortgageLoanPayableScheduleOfOutstandingRepurchaseAgreementsDetails Repurchase Agreements and Mortgage Loan Payable - Schedule of Outstanding Repurchase Agreements (Details) Details 51 false false R52.htm 995885 - Disclosure - Repurchase Agreements and Mortgage Loan Payable - Schedule of Outstanding Repurchase Agreements (Parenthetical) (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRepurchaseAgreementsAndMortgageLoanPayableScheduleOfOutstandingRepurchaseAgreementsParentheticalDetails Repurchase Agreements and Mortgage Loan Payable - Schedule of Outstanding Repurchase Agreements (Parenthetical) (Details) Details 52 false false R53.htm 995895 - Disclosure - Loan Participations Sold, Net - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureLoanParticipationsSoldNetAdditionalInformationDetails Loan Participations Sold, Net - Additional Information (Details) Details 53 false false R54.htm 995905 - Disclosure - Loan Participations Sold, Net - Summary of Payments Made Under Participation Agreements (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureLoanParticipationsSoldNetSummaryOfPaymentsMadeUnderParticipationAgreementsDetails Loan Participations Sold, Net - Summary of Payments Made Under Participation Agreements (Details) Details 54 false false R55.htm 995915 - Disclosure - Loan Participations Sold, Net - Summary of Loan Participations Sold (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureLoanParticipationsSoldNetSummaryOfLoanParticipationsSoldDetails Loan Participations Sold, Net - Summary of Loan Participations Sold (Details) Details 55 false false R56.htm 995925 - Disclosure - Loan Participations Sold, Net - Summary of Loan Participations Sold (Parenthetical) (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureLoanParticipationsSoldNetSummaryOfLoanParticipationsSoldParentheticalDetails Loan Participations Sold, Net - Summary of Loan Participations Sold (Parenthetical) (Details) Details 56 false false R57.htm 995935 - Disclosure - Stockholders' Equity - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails Stockholders' Equity - Additional Information (Details) Details 57 false false R58.htm 995945 - Disclosure - Stockholders' Equity - Schedule of Change in Outstanding Shares Including Restricted Common Stock (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquityScheduleOfChangeInOutstandingSharesIncludingRestrictedCommonStockDetails Stockholders' Equity - Schedule of Change in Outstanding Shares Including Restricted Common Stock (Details) Details 58 false false R59.htm 995955 - Disclosure - Stockholders' Equity - Schedule of Aggregate Annualized and Monthly Distributions Declared by Record Date for all Classes of Shares (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquityScheduleOfAggregateAnnualizedAndMonthlyDistributionsDeclaredByRecordDateForAllClassesOfSharesDetails Stockholders' Equity - Schedule of Aggregate Annualized and Monthly Distributions Declared by Record Date for all Classes of Shares (Details) Details 59 false false R60.htm 995965 - Disclosure - Stockholders' Equity - Schedule of Monthly Net Distributions Per Share (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquityScheduleOfMonthlyNetDistributionsPerShareDetails Stockholders' Equity - Schedule of Monthly Net Distributions Per Share (Details) Details 60 false false R61.htm 995975 - Disclosure - Stockholders' Equity - Schedule of Aggregate Distributions Declared for Applicable Class of Common Stock and Preferred Stock (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureStockholdersEquityScheduleOfAggregateDistributionsDeclaredForApplicableClassOfCommonStockAndPreferredStockDetails Stockholders' Equity - Schedule of Aggregate Distributions Declared for Applicable Class of Common Stock and Preferred Stock (Details) Details 61 false false R62.htm 995985 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders - Additional information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareAttributableToCommonStockholdersAdditionalInformationDetails Net Income (Loss) Per Share Attributable to Common Stockholders - Additional information (Details) Details http://inlandgroup.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareAttributableToCommonStockholdersTables 62 false false R63.htm 995995 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders - Summary of Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareAttributableToCommonStockholdersSummaryOfBasicAndDilutedNetIncomeLossPerShareAttributableToCommonStockho Net Income (Loss) Per Share Attributable to Common Stockholders - Summary of Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) Details http://inlandgroup.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareAttributableToCommonStockholdersTables 63 false false R64.htm 996005 - Disclosure - Commitments and Contingencies - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails Commitments and Contingencies - Additional Information (Details) Details 64 false false R65.htm 996015 - Disclosure - Segment Reporting - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSegmentReportingAdditionalInformationDetails Segment Reporting - Additional Information (Details) Details 65 false false R66.htm 996025 - Disclosure - Transactions with Related Parties - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureTransactionsWithRelatedPartiesAdditionalInformationDetails Transactions with Related Parties - Additional Information (Details) Details 66 false false R67.htm 996035 - Disclosure - Transactions with Related Parties - Summary of Related Party Transactions (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureTransactionsWithRelatedPartiesSummaryOfRelatedPartyTransactionsDetails Transactions with Related Parties - Summary of Related Party Transactions (Details) Details 67 false false R68.htm 996045 - Disclosure - Transactions with Related Parties - Summary of Related Party Transactions (Parenthetical) (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureTransactionsWithRelatedPartiesSummaryOfRelatedPartyTransactionsParentheticalDetails Transactions with Related Parties - Summary of Related Party Transactions (Parenthetical) (Details) Details 68 false false R69.htm 996055 - Disclosure - Equity-Based Compensation - Summary of Total Stock Grants (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureEquityBasedCompensationSummaryOfTotalStockGrantsDetails Equity-Based Compensation - Summary of Total Stock Grants (Details) Details 69 false false R70.htm 996065 - Disclosure - Equity-Based Compensation - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureEquityBasedCompensationAdditionalInformationDetails Equity-Based Compensation - Additional Information (Details) Details 70 false false R71.htm 996075 - Disclosure - Equity-Based Compensation - Summary of Restricted Shares Granted under RSP (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureEquitybasedCompensationSummaryOfRestrictedSharesGrantedUnderRspDetails Equity-Based Compensation - Summary of Restricted Shares Granted under RSP (Details) Details 71 false false R72.htm 996085 - Disclosure - Fair Value of Financial Instruments - Schedule of Financial Instruments Measured on Recurring Basis and Carried at Fair Value (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsScheduleOfFinancialInstrumentsMeasuredOnRecurringBasisAndCarriedAtFairValueDetails Fair Value of Financial Instruments - Schedule of Financial Instruments Measured on Recurring Basis and Carried at Fair Value (Details) Details 72 false false R73.htm 996095 - Disclosure - Fair Value of Financial Instruments - Schedule of Carrying Amount and Estimated Fair Value of Financial Instruments (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsScheduleOfCarryingAmountAndEstimatedFairValueOfFinancialInstrumentsDetails Fair Value of Financial Instruments - Schedule of Carrying Amount and Estimated Fair Value of Financial Instruments (Details) Details 73 false false R74.htm 996105 - Disclosure - Fair Value of Financial Instruments - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetails Fair Value of Financial Instruments - Additional Information (Details) Details 74 false false R75.htm 996115 - Disclosure - Real Estate Owned - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedAdditionalInformationDetails Real Estate Owned - Additional Information (Details) Details 75 false false R76.htm 996125 - Disclosure - Real Estate Owned - Schedule of Fair Value of the Assumed Assets and Liabilities on the Acquisition (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedScheduleOfFairValueOfTheAssumedAssetsAndLiabilitiesOnTheAcquisitionDetails Real Estate Owned - Schedule of Fair Value of the Assumed Assets and Liabilities on the Acquisition (Details) Details 76 false false R77.htm 996135 - Disclosure - Real Estate Owned - Schedule of Real Estate Owned Assets (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedScheduleOfRealEstateOwnedAssetsDetails Real Estate Owned - Schedule of Real Estate Owned Assets (Details) Details 77 false false R78.htm 996145 - Disclosure - Real Estate Owned - Schedule of Intangible Assets and Liabilities (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedScheduleOfIntangibleAssetsAndLiabilitiesDetails Real Estate Owned - Schedule of Intangible Assets and Liabilities (Details) Details 78 false false R79.htm 996155 - Disclosure - Real Estate Owned - Schedule of Amortization Pertaining to Acquired in Place Lease Value, Above Market and Below Market Lease Value (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedScheduleOfAmortizationPertainingToAcquiredInPlaceLeaseValueAboveMarketAndBelowMarketLeaseValueDetails Real Estate Owned - Schedule of Amortization Pertaining to Acquired in Place Lease Value, Above Market and Below Market Lease Value (Details) Details 79 false false R80.htm 996165 - Disclosure - Real Estate Owned - Schedule of Estimated Amortization of Intangible Lease Assets and Liabilities (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedScheduleOfEstimatedAmortizationOfIntangibleLeaseAssetsAndLiabilitiesDetails Real Estate Owned - Schedule of Estimated Amortization of Intangible Lease Assets and Liabilities (Details) Details 80 false false R81.htm 996175 - Disclosure - Real Estate Owned - Schedule Of Future Minimum Lease Payments To Be Received Under Non-cancelable Operating Leases (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureRealEstateOwnedScheduleOfFutureMinimumLeasePaymentsToBeReceivedUnderNoncancelableOperatingLeasesDetails Real Estate Owned - Schedule Of Future Minimum Lease Payments To Be Received Under Non-cancelable Operating Leases (Details) Details 81 false false R82.htm 996185 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) Details 82 false false R83.htm 996195 - Disclosure - Subsequent Events - Schedule of Declared Distributions for Class of Common Stock (Details) Sheet http://inlandgroup.com/20260630/taxonomy/role/DisclosureSubsequentEventsScheduleOfDeclaredDistributionsForClassOfCommonStockDetails Subsequent Events - Schedule of Declared Distributions for Class of Common Stock (Details) Details 83 false false All Reports Book All Reports ck0001690012-20260630.htm ck0001690012-20260630.xsd img205168920_0.jpg img205168920_1.jpg img205168920_2.jpg img205168920_3.jpg img205168920_4.jpg img205168920_5.jpg img205168920_6.jpg img205168920_7.gif http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false