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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CashEquivalentsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash equivalents percent of net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CashEquivalentsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Equivalents % of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OfferingCostsAdviserReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Offering costs adviser reimbursement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OfferingCostsAdviserReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Offering Costs Adviser Reimbursement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OfferingCostsAdviserReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering costs for adviser reimbursement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonUnitOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Units at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonUnitOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common unitholder's commitment units outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonUnitOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Units at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonUnitOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Units issued and committed at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonUnitOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units outstanding, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation State Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetAssetsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Assets Percent of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetAssetsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net assets percent of net assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetAssetsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental and non-cash financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PNC Term Loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PNC Term Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PNC Term Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fee, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAdditionalDistributablePaidToAdvisorIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of additional distributable paid to advisor incentive fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAdditionalDistributablePaidToAdvisorIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Additional Distributable Paid To Advisor Incentive Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAdditionalDistributablePaidToAdvisorIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of additional distributable paid to advisor incentive fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SelectedBalanceSheetInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selected Balance Sheet Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SelectedBalanceSheetInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selected Balance Sheet Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SelectedBalanceSheetInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Selected balance sheet information.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDispositionOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Disposition of Investment, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDispositionOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate dispositions of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDispositionOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sales and paydowns of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Highlights [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Asset Value Per Unit and Reflects all Units Issued and Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyIncentiveFeesRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company incentive fees ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyIncentiveFeesRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Incentive Fees Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyIncentiveFeesRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of incentive fees to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Affiliated Issuer, Noncontrolled [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Controlled Affiliated Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributionsFromDistributableEarningsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company distributions from distributable earnings per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributionsFromDistributableEarningsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Distributions From Distributable Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributionsFromDistributableEarningsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">From distributable earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributionsFromDistributableEarningsPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">From distributable earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNonconsolidatedSubsidiaryAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Nonconsolidated Subsidiary [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestAndCreditFacilityExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestAndCreditFacilityExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest And Credit Facility Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestAndCreditFacilityExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest and credit facility expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalents, at Carrying Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Common Unitholders&#8217; capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members&#8217; Capital, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdvisoryAgreementAdditionalRenewalPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory Agreement Additional Renewal Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdvisoryAgreementAdditionalRenewalPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisory agreement additional renewal period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdvisoryAgreementAdditionalRenewalPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory agreement additional renewal period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Net Assets, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Net Assets, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseAvailableForRecoupmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expense reimbursements available for recoupment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseAvailableForRecoupmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursements Expense Available For Recoupment Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseAvailableForRecoupmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursements expense available for recoupment amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortizationOfPremiumAndAccretionOfDiscountNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis asset amortization of premium and accretion of discount, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortizationOfPremiumAndAccretionOfDiscountNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Amortization of Premium and Accretion of Discount, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortizationOfPremiumAndAccretionOfDiscountNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of premium and accretion of discount, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation, Income Approach [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDividendDistributionFromCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company dividend distribution from capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDividendDistributionFromCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Dividend Distribution from Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDividendDistributionFromCapital_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossFromOperationsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss) from Operations, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossFromOperationsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total from investment operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Balance, Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Par Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIdentifierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Identifier [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivableInvestmentSale_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivable for investments sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivableInvestmentSale_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable, Investment, Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EncompassDigitalMediaIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Encompass Digital Media Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EncompassDigitalMediaIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Encompass Digital Media Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EncompassDigitalMediaIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Encompass Digital Media, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MaximumPercentageOfCommitmentOrAssetsComputedAnnuallyForCompanyExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum percentage of commitment or assets computed annually for company expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MaximumPercentageOfCommitmentOrAssetsComputedAnnuallyForCompanyExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Percentage Of Commitment Or Assets Computed Annually For Company Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MaximumPercentageOfCommitmentOrAssetsComputedAnnuallyForCompanyExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum percentage of commitment or assets computed annually for company expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities and Members&#8217; Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of fair value interest investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfPartnersCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Partners' Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesByIndustryAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Sector [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInInterestAndCreditFacilityExpensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) interest and credit facility expense payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInInterestAndCreditFacilityExpensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Interest And Credit Facility Expense Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInInterestAndCreditFacilityExpensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in interest and credit facility expense payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfTotalExpensesToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Ratio Of Total Expenses To Average Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfTotalExpensesToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company ratio of total expenses to average net assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfTotalExpensesToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of total expenses to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeThirdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Third</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeThirdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Third [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeThirdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fee third.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Aggregate Investment Unrealized Appreciation And Depreciation For Federal Income Tax Purposes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Income Tax Note [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Unitholders&#8217; offering costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common Unitholders&#8217; offering costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Unitholders Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity securities one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued price per unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Third Party Engaged [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Documents Incorporated by Reference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RisksRelatedToInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risks Related To Investments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RisksRelatedToInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Risks related to investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestAndCreditFacilityExpensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest And Credit Facility Expense Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestAndCreditFacilityExpensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest and credit facility expense payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestAndCreditFacilityExpensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and credit facilities expense payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CreditFacilitiesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit facility payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CreditFacilitiesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facilities Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CreditFacilitiesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit facilities payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fee tranche two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetUnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net unrealized depreciation on unfunded commitments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetUnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Unrealized Depreciation on Unfunded Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetUnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net unrealized depreciation on unfunded commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdvisoryAgreementEffectivePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory agreement effective period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdvisoryAgreementEffectivePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory Agreement Effective Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdvisoryAgreementEffectivePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisory agreement effective period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Issuance Costs, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred financing costs, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdviserOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adviser operating expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdviserOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adviser Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdviserOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adviser operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentVariableInterestRateTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Variable Interest Rate, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non qualifying assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Qualifying Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non qualifying assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionOrdinaryIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution, Ordinary Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionOrdinaryIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributable earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentUnaffiliatedIssuerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Unaffiliated Issuer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentUnaffiliatedIssuerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-controlled/non-affiliated</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentUnaffiliatedIssuerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Non-controlled/non-affiliated investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Loss) income per unit, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInManagementFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Management Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInManagementFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) management fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset coverage ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Asset Coverage Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company asset coverage ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseDirectorsFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Director Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseDirectorsFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Directors' fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CompanyExpensesLimitationMaximumReimbursedPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company expenses limitation maximum reimbursed period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CompanyExpensesLimitationMaximumReimbursedPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Company Expenses Limitation Maximum Reimbursed Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CompanyExpensesLimitationMaximumReimbursedPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Company expenses limitation maximum reimbursed period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payment to secured borrowing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTotalReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Total Return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTotalReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unitholder Total Return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile the net (decrease) increase in net assets resulting from operations to net cash provided by operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReconciliationOfTermLoanAmountsPresentedOnConsolidatedStatementsOfAssetsAndLiabilitiesVersusOutstandingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reconciliation of term loan amounts presented on consolidated statements of assets and liabilities versus outstanding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReconciliationOfTermLoanAmountsPresentedOnConsolidatedStatementsOfAssetsAndLiabilitiesVersusOutstandingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation of Term Loan Amounts Presented on Consolidated Statements of Assets and Liabilities Versus Outstanding [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReconciliationOfTermLoanAmountsPresentedOnConsolidatedStatementsOfAssetsAndLiabilitiesVersusOutstandingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of Term Loan Amounts Presented on Consolidated Statements of Assets and Liabilities versus Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net change in unrealized (appreciation)/depreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Domestic Tax Jurisdiction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. federal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized appreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNetAssetValuePerSharePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investment Company, Net Asset Value Per Share, Period Increase (Decrease), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNetAssetValuePerSharePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Net Asset Value, Per Share, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNetAssetValuePerSharePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Decrease in Common Unitholder NAV from Prior Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Recognition, Interest [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facilities interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt, Excluding Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PNC Revolving Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PNC Revolving Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PNC Revolving Credit Facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of Beginning and Ending Balances for Total Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersTaxReclassification_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Unitholders Tax Reclassification.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersTaxReclassification_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Unitholders Tax Reclassification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersTaxReclassification_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Unitholders tax reclassification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossOnShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Realized Gain (Loss) On Short Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossOnShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net realized gain (loss) on short-term investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossOnShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gain on short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Commitment Fee Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate commitment amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) other accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Accrued Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation, Market Approach [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Market Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated overdistributed earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyNonconsolidatedSubsidiarySummarizedFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unconsolidated Significant Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyNonconsolidatedSubsidiarySummarizedFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Nonconsolidated Subsidiary Summarized Financial Information [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyNonconsolidatedSubsidiarySummarizedFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, nonconsolidated subsidiary, summarized financial information.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Sector [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfNonQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of non qualifying assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfNonQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Non Qualifying Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfNonQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of non qualifying assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossFromControlledAffiliatedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Realized Gain (Loss) From Controlled Affiliated Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossFromControlledAffiliatedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net realized gain (loss) from controlled affiliated investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossFromControlledAffiliatedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Controlled affiliated investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUndrawnCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Undrawn Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUndrawnCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common undrawn commitment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUndrawnCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Undrawn Commitment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUndrawnCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Undrawn Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentExtendedStatedMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Extended Stated Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentExtendedStatedMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Extended Stated Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentExtendedStatedMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extened stated maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Equity Securities, Realized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt and Equity Securities, Realized Gain (Loss), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net realized loss (gain) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInMembersCapitalResultingFromCapitalActivityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (decrease) in members' capital resulting from capital activity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInMembersCapitalResultingFromCapitalActivityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Members' Capital Resulting from Capital Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInMembersCapitalResultingFromCapitalActivityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in Members' Capital Resulting from Capital Activity:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyNetOfOfferingCostsReimbursedPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company net of offering costs reimbursed per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyNetOfOfferingCostsReimbursedPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Net of Offering Costs Reimbursed Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyNetOfOfferingCostsReimbursedPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering costs, net of offering costs reimbursed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Contingencies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecurityOwnedAndSoldNotYetPurchasedAtFairValueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Owned and Sold, Not yet Purchased, at Fair Value [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ProceedsPaymentsOnRepurchaseTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds (Payments) On Repurchase Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ProceedsPaymentsOnRepurchaseTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds (Payments) On Repurchase Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ProceedsPaymentsOnRepurchaseTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from Repurchase Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ProceedsPaymentsOnRepurchaseTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from repurchase transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Role of Management [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Liabilities in Excess of Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninvestment Assets Less Noninvestment Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities in Excess of Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest/Dividend/Other income</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Dividend Income, Operating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of premium and accretion of discount, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Discount (Premium)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CreditFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CreditFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CreditFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit Facilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address Address Line1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic and diluted:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossFromOperationsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income from Investment Operations:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossFromOperationsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss) from Operations, Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Management fees (Note 4)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Fee Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PayableForShortTermInvestmentsPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payable for short-term investments purchased.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PayableForShortTermInvestmentsPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payable For Short Term Investments Purchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PayableForShortTermInvestmentsPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payable for short-term investments purchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net realized gain loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Realized Gain Loss [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized loss:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AgyHoldingsCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">AGY Holdings Corp.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AgyHoldingsCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AGY Holdings Corp [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AgyHoldingsCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">AGY Holdings Corp</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AgyHoldingsCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">AGY Holdings Corp.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line Of Credit Facility [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of investment income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (decrease) increase in cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Thereafter [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeThereafterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fee thereafter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PurchasesOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases of short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PurchasesOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchases Of Short Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PurchasesOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchases of short term investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisRevolvingCreditFacilityAndPncRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Natixis revolving credit facility and PNC revolving credit facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisRevolvingCreditFacilityAndPncRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Natixis Revolving Credit Facility and PNC Revolving Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisRevolvingCreditFacilityAndPncRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Natixis Revolving Credit Facility and PNC Revolving Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BaseRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Base Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BaseRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Base Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BarclaysTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Barclays Transaction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BarclaysTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Barclays transaction.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BarclaysTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Barclays Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administrative fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administrative Fees Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExtendedTermOfSubscriptionAgreementsThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extended term for successive periods of subscription agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExtendedTermOfSubscriptionAgreementsThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extended Term Of Subscription Agreements Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExtendedTermOfSubscriptionAgreementsThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Extended term of subscription agreements, thereafter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAdvisorIncentiveFeeEntitled_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of advisor incentive fee entitled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAdvisorIncentiveFeeEntitled_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Advisor Incentive Fee Entitled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAdvisorIncentiveFeeEntitled_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of advisor incentive fee entitled.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputEbitdaMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, EBITDA Multiple [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputEbitdaMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EBITDA Multiple</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net realized loss (gain) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Realized Investment Gains (Losses), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Investment Gains (Losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net realized gain (loss) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AmendedPncMaximumCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended PNC Maximum Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AmendedPncMaximumCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended PNC maximum commitment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndBasisOfPresentationDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization And Basis Of Presentation Disclosure [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndBasisOfPresentationDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Basis Of Presentation Disclosure [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndBasisOfPresentationDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and basis of presentation disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates, at Fair Value, Gross Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Addition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Addition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TwinStarInternationalIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Twin Star International, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TwinStarInternationalIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Twin Star International, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TwinStarInternationalIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Twin Star International Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilitiesPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninvestment Asset Less Noninvestment Liability, Percent of Net Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilitiesPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of liabilities in excess of other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address State Or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss) Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of net investment income to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Available Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Available amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Balance, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred financing costs, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfUnfundedCommitmentsAndUnrealizedDepreciationByInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Unfunded Commitments And Unrealized Depreciation By Investment Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfUnfundedCommitmentsAndUnrealizedDepreciationByInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of unfunded commitments and unrealized depreciation by investment table text block.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfUnfundedCommitmentsAndUnrealizedDepreciationByInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Unfunded Commitments and Unrealized Depreciation by Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Lender [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Interest Receivable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in interest income receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned Short Term Investment and Cash Equivalents Percent of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned short term investment and cash equivalents percent of net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of total investment of net asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Professional fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommercialAndProfessionalServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial &amp; Professional Services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommercialAndProfessionalServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial And Professional Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommercialAndProfessionalServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial &amp; Professional Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from secured borrowing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Repayments of) Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CashEquivalentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Equivalents at Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CashEquivalentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash equivalents at fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CashEquivalentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Equivalents, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EighthAmendedRevolvingCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eighth Amended Revolving Credit Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EighthAmendedRevolvingCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Eighth Amended Revolving Credit Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EighthAmendedRevolvingCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Eighth Amended Revolving Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentsInAndAdvancesToAffiliatesAtFairValueNetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in and advances to affiliates at fair value net change in unrealized appreciation (depreciation).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentsInAndAdvancesToAffiliatesAtFairValueNetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and advances to Affiliates At Fair Value Net Change in Unrealized Appreciation (Depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentsInAndAdvancesToAffiliatesAtFairValueNetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Net Change in Unrealized Appreciation/(Depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentsInAndAdvancesToAffiliatesAtFairValueNetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Change in Unrealized Appreciation/(Depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Expected Term [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndOfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Offering Costs Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndOfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and offering costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndOfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Interest Rate, Paid in Kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate, PIK</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of fair value interest investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FederalIncomeTaxProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Income Tax Provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FederalIncomeTaxProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal Income Tax Provision.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FederalIncomeTaxProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursements expense expiration year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursements Expense Expiration Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursements expense expiration year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherAccruedExpensesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherAccruedExpensesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Accrued Expenses And Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherAccruedExpensesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other accrued expenses and other liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">State and Local Jurisdiction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Valuations And Fair Value Measurements [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Valuations And Fair Value Measurements [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment valuations and fair value measurements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedShortTermCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net short-term capital loss carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedShortTermCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Distributable Earnings Loss Accumulated Short Term Capital Loss Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedShortTermCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company distributable earnings loss accumulated short term capital loss carryforward.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ProceedFromSaleOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceed from Sale of Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ProceedFromSaleOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceed from sale of short-term investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ProceedFromSaleOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sales of short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholderReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common unitholder return of capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholderReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Unitholder Return Of Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholderReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common Unitholders' return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionsPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionsPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Transactions Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionsPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase transactions principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfNetExpensesToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Ratio Of Net Expenses To Average Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfNetExpensesToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company ratio of net expenses to average net assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfNetExpensesToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Ratio of net expenses to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossReductions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates, at Fair Value, Gross Reductions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossReductions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Reduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossReductions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Reduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyIncentiveFeeToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Incentive Fee to Average Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyIncentiveFeeToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of incentive fees to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyGainLossOnInvestmentPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Gain (Loss) on Investment, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyGainLossOnInvestmentPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized and unrealized (loss) gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityBetween30And50Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Unused Capacity Between 30% and 50% [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityBetween30And50Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of unused capacity between 30% and 50%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityBetween30And50Member_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of Unused Capacity Between 30% and 50%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AccumulatedCommonUnitholderTaxReclassification_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accumulated common unitholder tax reclassification.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AccumulatedCommonUnitholderTaxReclassification_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Common Unitholder Tax Reclassification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AccumulatedCommonUnitholderTaxReclassification_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated Common Unitholders' tax reclassification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentMaturityMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment maturity month and year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentMaturityMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Maturity Month And Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentMaturityMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity/Expiration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfYieldOnShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of yield on short term investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfYieldOnShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Yield on Short Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfYieldOnShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of yield on short term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedAtCostShortTermInvestmentAndCashEquivalentsCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned at Cost Short Term Investment and Cash Equivalents Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedAtCostShortTermInvestmentAndCashEquivalentsCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned at cost short term investment and cash equivalents carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedAtCostShortTermInvestmentAndCashEquivalentsCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Investments, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized depreciation on unfunded commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Depreciation On Unfunded Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrealized depreciation on unfunded commitments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Tax Return of Capital Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistribution_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other fee income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies (Note 5)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ThirdAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Third Amended PNC Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ThirdAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Third amended PNC credit agreement member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EurodollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eurodollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EurodollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Eurodollar Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OutformGroupIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outform Group, Inc. (f/k/a Rapid Displays, Inc.)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OutformGroupIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outform Group, Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OutformGroupIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Outform group, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncomeTaxExaminationForPriorYearsReturnsFiled_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax examination for prior years returns filed.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncomeTaxExaminationForPriorYearsReturnsFiled_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination for Prior Years Returns Filed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncomeTaxExaminationForPriorYearsReturnsFiled_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Examination for prior years returns filed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit facility, interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryBillSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S.Treasury Bill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryBillSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury Bill Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IndicativeBidMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indicative Bid [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IndicativeBidMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Indicative Bid.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IndicativeBidMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Indicative Bid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInPayableForShortTermInvestmentsPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in payable for short-term investments purchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInPayableForShortTermInvestmentsPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Payable For Short Term Investments Purchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInPayableForShortTermInvestmentsPurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in payable for short-term investments purchased.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInDueFromAdvisers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">(Increase) decrease in due from Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInDueFromAdvisers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Increase) decrease in due from Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInDueFromAdvisers_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in due from Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncreaseDecreaseInDueFromAdvisers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">(Increase) decrease in due from Adviser.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SecondAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second amended PNC credit agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SecondAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second Amended PNC Credit Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SecondAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">PNC Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Income (Expense), Operating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase in Members' Capital from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (decrease) increase in net assets resulting from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fee one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfPortfolioBreakdownOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of portfolio breakdown on investment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfPortfolioBreakdownOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Portfolio Breakdown on Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfPortfolioBreakdownOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of portfolio breakdown on investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Contingencies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestmentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Investments, at Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestmentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less Distributions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Distributions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company distributions abstract.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatiosBasedOnAverageNetAssetsOfMembersCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratios based on average net assets of Members&#8217; Capital:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatiosBasedOnAverageNetAssetsOfMembersCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Ratios Based On Average Net Assets Of Members Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatiosBasedOnAverageNetAssetsOfMembersCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company ratios based on average net assets of members capital abstract.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_LineOfCreditFacilityMaximumBorrowingCapacityPeriodicallyIncreasedInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit facility, maximum borrowing capacity, periodically increased in amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_LineOfCreditFacilityMaximumBorrowingCapacityPeriodicallyIncreasedInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Borrowing Capacity, Periodically Increased in Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_LineOfCreditFacilityMaximumBorrowingCapacityPeriodicallyIncreasedInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum commitment periodically increased in amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRateFloor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Interest Rate, Floor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRateFloor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate, floor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Expense Information Used by CODM, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedAndShortTermInvestmentPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Investments - % of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedAndShortTermInvestmentPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned And Short Term Investment Percent of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedAndShortTermInvestmentPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned and short term investment percent of net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distributable Earnings (Loss), Accumulated Appreciation (Depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net tax (depreciation) appreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetAssetsAsAPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net assets as a percent of net assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetAssetsAsAPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Assets as a Percent of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetAssetsAsAPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">% of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agreements and Related Party Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionSettled_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Transaction Settled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionSettled_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase transaction settled value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionSettled_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase transaction settled.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseAgreementSettlementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase transaction settlement date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseAgreementSettlementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreement Settlement Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseAgreementSettlementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase agreement settlement date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndBasisOfPresentationDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Basis of Presentation Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndBasisOfPresentationDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Basis Of Presentation Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationAndBasisOfPresentationDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and basis of presentation disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Equivalents [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in operating assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Unitholder, Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Unitholders Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Unitholders&#8217; commitment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Unitholders' commitment (13,734,010 units issued and outstanding)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fee payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseObligationOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase obligation outstanding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseObligationOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Obligation Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseObligationOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase obligation outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdministrationAgreementAdditionalRenewalPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administration Agreement Additional Renewal Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdministrationAgreementAdditionalRenewalPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Administration agreement additional renewal period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AdministrationAgreementAdditionalRenewalPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administration agreement additional renewal period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MaximumPercentageOfAggregateCommitmentForOrganizationalExpensesAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum percentage of aggregate commitment for organizational expenses and offering expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MaximumPercentageOfAggregateCommitmentForOrganizationalExpensesAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Percentage Of Aggregate Commitment For Organizational Expenses And Offering Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MaximumPercentageOfAggregateCommitmentForOrganizationalExpensesAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum percentage of aggregate commitment for organizational expenses and offering expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Fair Value, begining value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Fair Value, end value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate fair value of securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/label">UNITED STATES</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United States</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnAfterAllFeesAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company internal rate of return after all fees and expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnAfterAllFeesAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Internal Rate Of Return After All Fees And Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnAfterAllFeesAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unitholder IRR after all fees and expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Owned and Sold, Not yet Purchased Fair Value, Security Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Discount Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashSalesOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-Cash Sales of Investments Due to Reorganization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashSalesOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-cash sales of investments due to reorganization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashSalesOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-cash sales of investments due to reorganization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashSalesOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash sales of investments due to reorganization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid and other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NumberOfBusinessDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of business days1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NumberOfBusinessDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Business Days1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NumberOfBusinessDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of business days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Investments [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AccumulatedNetRealizedGainLossTaxBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accumulated net realized gain loss tax basis.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AccumulatedNetRealizedGainLossTaxBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated net realized gain loss Tax Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AccumulatedNetRealizedGainLossTaxBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated net realized gain loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Expertise of Management Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Financing Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Charges, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Amounts Outstanding and Available under Credit Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Line of Credit Facilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAverageOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average outstanding balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAverageOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Average Outstanding Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Unfunded Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of Unfunded Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of unfunded commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address City Or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerAffiliationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Affiliation [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SeptemberTwoThousandCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">September 2022 Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SeptemberTwoThousandCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September Two Thousand Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SeptemberTwoThousandCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">September two thousand credit facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TransactionsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transactions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TransactionsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transactions [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TransactionsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MemberUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Unitholders&#8217; Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MemberUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Member Units [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AerospaceAndDefenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aerospace And Defense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AerospaceAndDefenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aerospace and Defense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AerospaceAndDefenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aerospace &amp; Defense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Valuations and Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Valuations And Fair Value Measurements Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment valuations and fair value measurements Disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred offering costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquityNotesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Equity Notes Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquityNotesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAcquisitionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Acquisition Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAcquisitionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Members' capital, period increase (decrease).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Capital, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Decrease in Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreement, Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase transaction date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageYieldOnCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage yield on cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageYieldOnCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Yield on Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageYieldOnCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage yield on cash equivalents.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_GeneralRiskFactorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General Risk Factors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_GeneralRiskFactorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">General risk factors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_GreenfieldWorldTradeIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Greenfield World Trade, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_GreenfieldWorldTradeIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Greenfield World Trade Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_GreenfieldWorldTradeIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Greenfield World Trade, Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_GreenfieldWorldTradeIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Greenfield World Trade, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerAffiliationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Affiliation [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Description of Variable Rate Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of variable rate basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_LessThan50OfMaximumCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Less than 50% of Maximum Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_LessThan50OfMaximumCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Less than 50% of Maximum Commitment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due from adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants expiration date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossFromNonControlledNonAffiliatedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net realized gain loss from non controlled non affiliated investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossFromNonControlledNonAffiliatedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Realized Gain Loss From Non Controlled Non Affiliated Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetRealizedGainLossFromNonControlledNonAffiliatedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-controlled/non-affiliated investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesIncludingPaymentsReceivedInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases, including payments received in-kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesIncludingPaymentsReceivedInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Including Payments Received In Kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesIncludingPaymentsReceivedInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis asset purchases including payments received in kind.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashPurchaseOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash purchases of investments due to reorganization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashPurchaseOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-Cash Purchase Of Investments Due To Reorganization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashPurchaseOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-cash purchases of investments due to reorganization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NonCashPurchaseOfInvestmentsDueToReorganization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-cash purchases of investments due to reorganization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Change In Unrealized Appreciation Depreciation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net change in unrealized appreciation/(depreciation).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized (depreciation)/appreciation:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfCommitmentsFunded_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Unitholder, % of Commitments Funded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfCommitmentsFunded_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Commitments Funded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfCommitmentsFunded_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of commitments funded.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityBetween0And30Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Unused Capacity between 0% and 30% [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityBetween0And30Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of unused capacity between 0% and 30%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityBetween0And30Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of Unused Capacity between 0% and 30%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedOtherCumulativeEffectOfTimingDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company distributable earnings loss accumulated other cumulative effect of timing differences.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedOtherCumulativeEffectOfTimingDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment company distributable earnings loss accumulated other cumulative effect of timing differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedOtherCumulativeEffectOfTimingDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other cumulative effect of timing differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCapitalUnitsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Capital Units [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCapitalUnitsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Capital Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnobservableInputExpectedTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unobservable input expected term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnobservableInputExpectedTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unobservable Input Expected Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnobservableInputExpectedTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unobservable Input, Expected Term (in years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Investment and Derivative, Operating, after Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation/(depreciation) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Members' capital, contributions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Capital, Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unrealized depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt securities two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Two Debt Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyRealizedAndUnrealizedGainLossOnInvestmentAndForeignCurrencyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized and unrealized (loss) gain on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyRealizedAndUnrealizedGainLossOnInvestmentAndForeignCurrencyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueAssetsAndLiabilitiesTransferBetweenLevelAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value assets (liabilities) transfer between level amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueAssetsAndLiabilitiesTransferBetweenLevelAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets and Liabilities Transfer Between Level Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueAssetsAndLiabilitiesTransferBetweenLevelAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair Value Assets and Liabilities Transfer Between Level Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity securities two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DistributionsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distributions payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DistributionsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distributions Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DistributionsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity Securities Three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EquitySecuritiesThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Return of capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Return Of Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Alternative Investment, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unobservable input, range</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsCostForIncomeTaxPurposes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of investments for federal income tax purposes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsCostForIncomeTaxPurposes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TheLegacyCompaniesLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">The Legacy Companies LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TheLegacyCompaniesLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The legacy companies LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TheLegacyCompaniesLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The Legacy Companies, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedFairValueBeginningBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Fair Value, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedFairValueBeginningBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned, fair value, beginning balance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedFairValueBeginningBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Fair Value, begining value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestExpenseOnRepurchaseTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense on repurchase transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestExpenseOnRepurchaseTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense On Repurchase Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestExpenseOnRepurchaseTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest expense on repurchase transactions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentsInAndAdvancesToAffiliatesRealizedGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in and advances to affiliates realized gains losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentsInAndAdvancesToAffiliatesRealizedGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments In And Advances To Affiliates Realized Gains Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentsInAndAdvancesToAffiliatesRealizedGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Realized Gains (Losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Investments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Accounting Pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfReclassifiedAsCapitalGainsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of reclassified as capital gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfReclassifiedAsCapitalGainsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Differences from Net Operating Losses, Accounting for Partnership Interest and Amendment Fees Reclassified As Capital Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForPurchaseOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Purchase, Investment, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForPurchaseOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate acquisitions of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForPurchaseOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Purchases of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Dividend Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investment Company, Dividend Distribution, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributable earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RecallableAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recallable amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RecallableAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recallable Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RecallableAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recallable amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Portfolio Turnover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portfolio turnover rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfNetInvestmentIncomeBeforeExpenseReimbursedRecapturedToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Ratio Of Net Investment Income Before Expense Reimbursed Recaptured To Average Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfNetInvestmentIncomeBeforeExpenseReimbursedRecapturedToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company ratio of net investment income before expense reimbursed recaptured to average net assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfNetInvestmentIncomeBeforeExpenseReimbursedRecapturedToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of net investment income before expenses recaptured (reimbursed) to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentMaturityDateToBeExtendedUponSatisfactionOfCertainConditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument maturity date to be extended upon satisfaction of certain conditions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentMaturityDateToBeExtendedUponSatisfactionOfCertainConditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Maturity Date to be Extended Upon Satisfaction of Certain Conditions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentMaturityDateToBeExtendedUponSatisfactionOfCertainConditions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument maturity date to be extended upon satisfaction of certain conditions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersUndrawnCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Unitholder, Undrawn Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersUndrawnCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Unitholders Undrawn Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersUndrawnCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Unitholders&#8217; undrawn commitment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonUnitholdersUndrawnCommitment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common Unitholders' undrawn commitment (13,734,010 units issued and outstanding)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Short-Term Investments, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term investments, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PublishingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Publishing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PublishingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Publishing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PublishingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Publishing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAggregateCumulativeInvestedAmountInExistingPortfolioCompanies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate cumulative invested amount in existing portfolio companies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAggregateCumulativeInvestedAmountInExistingPortfolioCompanies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Aggregate Cumulative Invested Amount In Existing Portfolio Companies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfAggregateCumulativeInvestedAmountInExistingPortfolioCompanies_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate cumulative invested amount in existing portfolio companies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate purchase price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnBeforeIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company internal rate of return before incentive fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnBeforeIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Internal Rate Of Return Before Incentive Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnBeforeIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unitholder IRR before incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityGreaterThan50Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of Unused Capacity Greater than 50%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityGreaterThan50Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Unused Capacity Greater than 50% [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfUnusedCapacityGreaterThan50Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of unused capacity greater than 50%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MediaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Media [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MediaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Media.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MediaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Media</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (decrease) increase in Members Capital from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EnergyEquipmentAndServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Energy Equipment &amp; Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EnergyEquipmentAndServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Energy Equipment and Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_EnergyEquipmentAndServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Energy Equipment &amp; Services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationalCostExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organizational Cost, Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationalCostExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organizational costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MarchTwoThousandTwentyTwoCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2022 Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MarchTwoThousandTwentyTwoCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Two Thousand Twenty Two Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MarchTwoThousandTwentyTwoCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March two thousand twenty two credit facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentBasisSpreadVariableRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Basis Spread, Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentBasisSpreadVariableRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate, basis spread variable rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TwinStarInternationalInc1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Twin Star International Inc 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TwinStarInternationalInc1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Twin Star International Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TwinStarInternationalInc1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Twin Star International, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of Credit Facility [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AmendedAndSecondAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended and Second Amended PNC Credit Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AmendedAndSecondAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended and Second Amended PNC Credit Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_AmendedAndSecondAmendedPncCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amended and Second Amended PNC Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-controlled/non-affiliated investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation/(depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Change In Unrealized Appreciation Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net change in unrealized appreciation depreciation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in prepaid and other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionLongTermCapitalGain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution, Long-Term Capital Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionLongTermCapitalGain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term capital gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common commitment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Commitment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommonCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursements expense expiration date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursements Expense Expiration Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReimbursementsExpenseExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursements expense expiration date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfTaxCharacterOfShareholderDistributionsAttributableTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of tax character of shareholder distributions attributable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfTaxCharacterOfShareholderDistributionsAttributableTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Tax Character Of Shareholder Distributions Attributable [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfTaxCharacterOfShareholderDistributionsAttributableTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Tax Character Of Shareholder Distributions Attributable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentType_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment type.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExtendedDebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Extended debt instrument maturity date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExtendedDebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extended Debt Instrument Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExtendedDebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extended maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">PNC Term Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Term Loan Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Term Loan Member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNonconsolidatedSubsidiaryDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Nonconsolidated Subsidiary [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt securities one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtSecuritiesOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">One Debt Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ShortTermInvestmentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Investments Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ShortTermInvestmentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term investments fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ShortTermInvestmentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Investments, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesBeforeIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company internal rate of return since inception after management fees financing costs and operating expenses before incentive fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesBeforeIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Internal Rate Of Return Since Inception After Management Fees Financing Costs And Operating Expenses Before Incentive Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesBeforeIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of internal rate of return since inception for common unitholders before incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SelectedIncomeStatementInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selected Income Statement Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SelectedIncomeStatementInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selected Income Statement Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SelectedIncomeStatementInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Selected income statement information.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ConsumerServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ConsumerServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer Services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ConsumerServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryOfMajorSecurityTypeOfFairValuationAccordingToInputsUsedInValuingInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary by Major Security Type of Fair Valuations According to Inputs Used in Valuing Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryOfMajorSecurityTypeOfFairValuationAccordingToInputsUsedInValuingInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Major Security Type Of Fair Valuation According To Inputs Used In Valuing Investments Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryOfMajorSecurityTypeOfFairValuationAccordingToInputsUsedInValuingInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of major security type of fair valuation according to inputs used in valuing investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryOfRiskFactorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Risk Factors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryOfRiskFactorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of risk factors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryOfRiskFactorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Risk Factors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution to Shareholders, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Members' Capital, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Members&#8217; Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Members' Capital, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members' Capital, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CentricBrandsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Centric Brands Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CentricBrandsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Centric Brands Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CentricBrandsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Centric Brands Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfMembershipInterestsInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of membership interests in subsidiary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfMembershipInterestsInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Membership Interests in Subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfMembershipInterestsInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of membership interests in subsidiary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnfundedCommitmentsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unfunded commitments amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnfundedCommitmentsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unfunded Commitments Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnfundedCommitmentsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unfunded Commitments Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">% of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Net Assets, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Borrowings Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Line of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving credit facilities payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Assets, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_WdeTorcsillHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">WDE TorcSill Holdings LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_WdeTorcsillHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">WDE TorcSill Holdings LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_WdeTorcsillHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">WDE TorcSill Holdings LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Revenues, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FirstAmericanGovernmentObligationFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First American Government Obligation Fund.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FirstAmericanGovernmentObligationFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First American Government Obligation Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FirstAmericanGovernmentObligationFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First American Government Obligation Fund</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BendonIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bendon Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BendonIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bendon Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BendonIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bendon Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ChemicalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Chemicals Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ChemicalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Chemicals Member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ChemicalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Chemicals</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfMinimumQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of minimum qualifying assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfMinimumQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Minimum Qualifying Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfMinimumQualifyingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of minimum qualifying assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Valuations And Fair Value Measurements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment valuations and fair value measurements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unrecognized Tax Benefits, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Unrecognized Tax Benefits, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized tax benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RisksRelatedToUnitholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risks Related To Unitholders [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RisksRelatedToUnitholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Risks related to unitholders.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RisksRelatedToBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risks Related To Business [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RisksRelatedToBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Risks related to business.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adoption Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Equity Securities, Unrealized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt and Equity Securities, Unrealized Gain (Loss), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized (depreciation)/appreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Related Party Transactions By Related Party [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Highlights [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationCostsAdviserReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization costs adviser reimbursement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationCostsAdviserReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization Costs Adviser Reimbursement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OrganizationCostsAdviserReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization costs for adviser reimbursement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit facility, unused capacity commitment fee percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherThanGovernmentSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other than government securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherThanGovernmentSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Than Government Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_OtherThanGovernmentSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Than Government Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest and Debt Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Debt Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and credit facility expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Components</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Software.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Highlights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Highlights [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss), Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonUnitIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common unitholder's commitment units issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonUnitIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Unit, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TextilesApparelAndLuxuryGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Textiles Apparel And Luxury Goods [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TextilesApparelAndLuxuryGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Textiles apparel and luxury goods.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_TextilesApparelAndLuxuryGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Textiles, Apparel &amp; Luxury Goods</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Natixis Revolving Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Natixis Revolving Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Natixis revolving credit facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Investment Income [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfFinancingCostToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Ratio Of Financing Cost To Average Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfFinancingCostToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company ratio of financing cost to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfFinancingCostToAverageNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of financing cost to average net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized appreciation(depreciation) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalDeemedContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Members' Capital, Deemed Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalDeemedContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Capital, Deemed Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalDeemedContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deemed contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ShortTermInvestmentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ShortTermInvestmentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Investments Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ShortTermInvestmentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_HotelsRestaurantsAndLeisureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Hotels, Restaurants and Leisure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_HotelsRestaurantsAndLeisureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hotels Restaurants And Leisure [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_HotelsRestaurantsAndLeisureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hotels, Restaurants &amp; Leisure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Dividend Distribution [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions to Members from:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyPortfolioTurnOverRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Portfolio Turn Over Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyPortfolioTurnOverRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company portfolio turnover rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyPortfolioTurnOverRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portfolio turnover rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_HouseholdDurablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Household Durables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_HouseholdDurablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Household Durables [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_HouseholdDurablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Household Durables.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialRatiosAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratios and Supplemental Data</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialRatiosAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Ratios [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SignificantlyInvestmentCompletionPeriodUponExpirationOfCommitmentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significantly investment completion period upon expiration of commitment period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SignificantlyInvestmentCompletionPeriodUponExpirationOfCommitmentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significantly Investment Completion Period Upon Expiration Of Commitment Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SignificantlyInvestmentCompletionPeriodUponExpirationOfCommitmentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Significantly investment completion period upon expiration of commitment period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReceivableForInvestmentsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Receivable for investments sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReceivableForInvestmentsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable for Investments Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ReceivableForInvestmentsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivable for investment sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lender Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralPartnersCapitalAccountAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members&#8217; Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralPartnersCapitalAccountAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General Partners' Capital Account [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommitmentPeriodDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitment period description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommitmentPeriodDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment Period Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CommitmentPeriodDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment period description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryInformationRegardingCreditFacilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Information Regarding Credit Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryInformationRegardingCreditFacilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Information Regarding Credit Facilities Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SummaryInformationRegardingCreditFacilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary information regarding credit facilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest or penalties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedFairValueEndingBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, end value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedFairValueEndingBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Fair Value, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedFairValueEndingBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned, fair value, ending balance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedFairValueEndingBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Fair Value, end value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerControlledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Affiliated Issuer, Controlled [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerControlledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Controlled Affiliated investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Valuation Techniques and Quantitative Information in Determining Fair value of Level 3 Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNonconsolidatedSubsidiaryTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Nonconsolidated Subsidiary [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized and unrealized loss on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Net Asset Value Per Unit (accrual base), Beginning of Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Net Asset Value Per Unit (accrual base), End of Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Asset Value Per Unit (accrual base) (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Expense Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fee expense net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncentiveFeeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Incentive fees (Note 4)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetIncreaseDecreaseInMembersCapitalResultingFromOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net increase (decrease) in members' capital resulting from operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetIncreaseDecreaseInMembersCapitalResultingFromOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Increase (Decrease) in Members' Capital Resulting From Operations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetIncreaseDecreaseInMembersCapitalResultingFromOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Increase (Decrease) in Members' Capital Resulting from Operations:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalDeemedDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Members' capital, deemed distributions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalDeemedDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Capital, Deemed Distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MembersCapitalDeemedDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deemed distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfExistingPortfolioCompaniesAggregateAmountNotToExceedAnAmountEqualToAggregateCumulativeInvestedOrCommitted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Existing Portfolio Companies Aggregate Amount Not to Exceed an Amount Equal to Aggregate Cumulative Invested or Committed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfExistingPortfolioCompaniesAggregateAmountNotToExceedAnAmountEqualToAggregateCumulativeInvestedOrCommitted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of existing portfolio companies aggregate amount not to exceed an amount equal to aggregate cumulative invested or committed.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfExistingPortfolioCompaniesAggregateAmountNotToExceedAnAmountEqualToAggregateCumulativeInvestedOrCommitted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of existing portfolio companies aggregate amount not to exceed an amount equal to aggregate cumulative invested or committed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distributable Earnings (Loss), Accumulated Capital Loss Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net long-term capital loss carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital loss carryover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Capital loss carryover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncomeTaxLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_IncomeTaxLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_WeightedAverageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_WeightedAverageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Unitholder, Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of units sold and issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndPaydownsOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis asset sales and paydowns of investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndPaydownsOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales and Paydowns of Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndPaydownsOfInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Sales and paydowns of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Loss) income per unit, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BasisPointsOfAggregateCapitalCommitmentsForOrganizationAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Basis points of aggregate capital commitments for organization and offering expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BasisPointsOfAggregateCapitalCommitmentsForOrganizationAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis Points of Aggregate Capital Commitments for Organization and Offering Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_BasisPointsOfAggregateCapitalCommitmentsForOrganizationAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis points of aggregate capital commitments for organization and offering expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestRateOnRepurchaseTransactionsPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate On Repurchase Transactions Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestRateOnRepurchaseTransactionsPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest rate on repurchase transactions principal amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InterestRateOnRepurchaseTransactionsPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12gTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of Class</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Name</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_LineOfCreditFacilityAggregateMaximumCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility Aggregate Maximum Commitment Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_LineOfCreditFacilityAggregateMaximumCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Maximum commitment amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Facility Commitment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum commitment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CapitalGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Goods Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_CapitalGoodsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital Goods Member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentExtendedMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument extended maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentExtendedMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Extended Maturity Date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DebtInstrumentExtendedMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Extended Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfTaxComponentsOfDistributionEarningTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Tax Components Of Distribution Earning [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfTaxComponentsOfDistributionEarningTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Tax Components Of Distribution Earning</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfRepurchaseAgreementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure of Repurchase Agreements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Tax Return of Capital Distribution, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">From return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">From return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExpensesReimbursedByAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expenses Reimbursed by Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ExpensesReimbursedByAdviser_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Expenses recaptured (reimbursed) by the Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and cash equivalents, beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash and cash equivalents, end of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NavistarDefenseLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Navistar Defense LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NavistarDefenseLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Navistar Defense, LLC,</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NavistarDefenseLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Navistar Defense, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNonconsolidatedSubsidiaryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Nonconsolidated Subsidiary [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Undistributed (Overdistributed) Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Price Volatility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Implied Volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ConsumerDurablesAndApparelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Durables And Apparel [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ConsumerDurablesAndApparelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer Durables &amp; Apparel.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ConsumerDurablesAndApparelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Durables &amp; Apparel</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Natixis.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Natixis Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Natixis Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NatixisCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Natixis Revolving Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PNC credit facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PNC Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">PNC Maximum Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PNC Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfVotingInterestsOnInvestmentSecuritiesOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of voting interests on investment securities owned.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfVotingInterestsOnInvestmentSecuritiesOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Voting Interests On Investment Securities Owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfVotingInterestsOnInvestmentSecuritiesOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of voting interests on investment securities owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adopted [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedLongTermCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Distributable Earnings Loss Accumulated Long Term Capital Loss Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedLongTermCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company distributable earnings loss accumulated long term capital loss carryforward.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedLongTermCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net long-term capital loss carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciationInInvestmentHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation/(depreciation) in investments held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciationInInvestmentHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Change In Unrealized Appreciation Depreciation In Investment Held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_NetChangeInUnrealizedAppreciationDepreciationInInvestmentHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net change in unrealized appreciation depreciation in investments held.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrealized depreciation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned Short Term Investment and Cash Equivalents Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned short term investment and cash equivalents fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Investments, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Incentive Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Incentive Fee Payable, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in incentive fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Alternative Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNonconsolidatedSubsidiarySummarizedFinancialInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Financial Information of Unconsolidated Significant Subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNonconsolidatedSubsidiarySummarizedFinancialInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Nonconsolidated Subsidiary, Summarized Financial Information [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionSettlementAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase transaction settlement amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_RepurchaseTransactionSettlementAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase transaction settlement, amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesAdvisorIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company internal rate of return since inception after management fees financing costs and operating expenses advisor Incentive fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesAdvisorIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Internal Rate Of Return Since Inception After Management Fees Financing Costs And Operating Expenses Advisor Incentive Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesAdvisorIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of internal rate of return since inception for common unitholders advisor incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Lines of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of credit facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivableAfterAllowanceForCreditLossRelatedPartyTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UndrawnCommitmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undrawn Commitment Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UndrawnCommitmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Undrawn commitment fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UndrawnCommitmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unused fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ThirdAmendedAndRestatedCreditAndSecurityAgreementWithPNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Third Amended and Restated Credit and Security Agreement with PNC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ThirdAmendedAndRestatedCreditAndSecurityAgreementWithPNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Third Amended and Restated Credit and Security Agreement with P N C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ThirdAmendedAndRestatedCreditAndSecurityAgreementWithPNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Third amended and restated credit and security agreement with P N C.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfAggregateCommitmentsUndrawnCommitmentsPercentageOfCommitmentsFundedAndNumberOfSubscribedForUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of aggregate commitments, undrawn commitments, percentage of commitments funded and number of subscribed for units.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfAggregateCommitmentsUndrawnCommitmentsPercentageOfCommitmentsFundedAndNumberOfSubscribedForUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Aggregate Commitments, Undrawn Commitments, Percentage of Commitments Funded and Number of Subscribed for Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_ScheduleOfAggregateCommitmentsUndrawnCommitmentsPercentageOfCommitmentsFundedAndNumberOfSubscribedForUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Aggregate Commitments, Undrawn Commitments, Percentage Of Commitments Funded And Number Of Subscribed For Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfExpensesReimbursedRecapturedByAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company ratio of expenses reimbursed recaptured by adviser.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfExpensesReimbursedRecapturedByAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Ratio Of Expenses Reimbursed Recaptured By Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentCompanyRatioOfExpensesReimbursedRecapturedByAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses recaptured (reimbursed) by Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Expense Information Used by CODM, Type [Extensible Enumeration]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SeventhAmendedRevolvingCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Seventh amended revolving credit agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MeasurementInputTakeOutIndicationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Measurement input take out indication.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MeasurementInputTakeOutIndicationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Take Out Indication [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_MeasurementInputTakeOutIndicationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Take Out Indication</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Equivalents, at Carrying Value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncRevolvingCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PNC revolving credit agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PncRevolvingCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PNC Revolving Credit Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfRemainingIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Remaining Incentive Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfRemainingIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of remaining incentive fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementAndServiceFeesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of management fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementAndServiceFeesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management and Service Fees, Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Valuations And Fair Value Measurements [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Valuations And Fair Value Measurements [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_InvestmentValuationsAndFairValueMeasurementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment valuations and fair value measurements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorOpinionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Opinion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deferred financing costs paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Financing Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments of Financing Costs, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DueFromAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Due from adviser.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DueFromAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Due From Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_DueFromAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due from Adviser</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRevenueMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Revenue Multiple [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRevenueMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Multiple</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfNetUnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of net unrealized depreciation on unfunded commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfNetUnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Net Unrealized Depreciation On Unfunded Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfNetUnrealizedDepreciationOnUnfundedCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of net unrealized depreciation on unfunded commitments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperatingPaidInKind_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest income paid-in-kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperatingPaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income paid-in-kind</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UndistributedNetInvestmentIncomeLossTaxBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Undistributed Net Investment Income Loss Tax Basis.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UndistributedNetInvestmentIncomeLossTaxBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Net Investment Income Loss Tax Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_UndistributedNetInvestmentIncomeLossTaxBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Undistributed net investment loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfInternalRateOfReturnOnAggregateCapitalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of internal rate of return on aggregate capital contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfInternalRateOfReturnOnAggregateCapitalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Internal Rate Of Return On Aggregate Capital Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_PercentageOfInternalRateOfReturnOnAggregateCapitalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of internal rate of return on aggregate capital contribution.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001715933_SignificantSegmentExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Segment Expenses [Member]</link:label>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001715933_CashEquivalentsPercentOfNetAssets" xlink:to="ck0001715933_CashEquivalentsPercentOfNetAssets_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl"/>
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  <xsd:element id="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesIncludingPaymentsReceivedInKind" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesIncludingPaymentsReceivedInKind" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_DebtSecuritiesOneMember" name="DebtSecuritiesOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_IncentiveFeeThirdMember" name="IncentiveFeeThirdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_RepurchaseTransactionSettled" name="RepurchaseTransactionSettled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_OtherThanGovernmentSecuritiesMember" name="OtherThanGovernmentSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_OrganizationAndOfferingCostsPolicyTextBlock" name="OrganizationAndOfferingCostsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentCompanyRatioOfNetInvestmentIncomeBeforeExpenseReimbursedRecapturedToAverageNetAssets" name="InvestmentCompanyRatioOfNetInvestmentIncomeBeforeExpenseReimbursedRecapturedToAverageNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_SeptemberTwoThousandCreditFacilityMember" name="SeptemberTwoThousandCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_RisksRelatedToUnitholdersMember" name="RisksRelatedToUnitholdersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_UndistributedNetInvestmentIncomeLossTaxBasis" name="UndistributedNetInvestmentIncomeLossTaxBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_SummaryOfRiskFactorsMember" name="SummaryOfRiskFactorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_FairValueAssetsAndLiabilitiesTransferBetweenLevelAmount" name="FairValueAssetsAndLiabilitiesTransferBetweenLevelAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_IncentiveFeeThereafterMember" name="IncentiveFeeThereafterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_SummaryInformationRegardingCreditFacilitiesTableTextBlock" name="SummaryInformationRegardingCreditFacilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_UnobservableInputExpectedTerm" name="UnobservableInputExpectedTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_NatixisRevolvingCreditFacilityAndPncRevolvingCreditFacilityMember" name="NatixisRevolvingCreditFacilityAndPncRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_SignificantlyInvestmentCompletionPeriodUponExpirationOfCommitmentPeriod" name="SignificantlyInvestmentCompletionPeriodUponExpirationOfCommitmentPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedOtherCumulativeEffectOfTimingDifferences" name="InvestmentCompanyDistributableEarningsLossAccumulatedOtherCumulativeEffectOfTimingDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_MembersCapitalContributions" name="MembersCapitalContributions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_ThirdAmendedPncCreditAgreementMember" name="ThirdAmendedPncCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_IncreaseDecreaseInInterestAndCreditFacilityExpensePayable" name="IncreaseDecreaseInInterestAndCreditFacilityExpensePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InterestExpenseOnRepurchaseTransactions" name="InterestExpenseOnRepurchaseTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_FederalIncomeTaxProvision" name="FederalIncomeTaxProvision" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_IncreaseDecreaseInPayableForShortTermInvestmentsPurchased" name="IncreaseDecreaseInPayableForShortTermInvestmentsPurchased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_NetUnrealizedDepreciationOnUnfundedCommitments" name="NetUnrealizedDepreciationOnUnfundedCommitments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_SummaryOfMajorSecurityTypeOfFairValuationAccordingToInputsUsedInValuingInvestmentsTableTextBlock" name="SummaryOfMajorSecurityTypeOfFairValuationAccordingToInputsUsedInValuingInvestmentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentsInAndAdvancesToAffiliatesAtFairValueNetChangeInUnrealizedAppreciationDepreciation" name="InvestmentsInAndAdvancesToAffiliatesAtFairValueNetChangeInUnrealizedAppreciationDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_ScheduleOfAggregateCommitmentsUndrawnCommitmentsPercentageOfCommitmentsFundedAndNumberOfSubscribedForUnits" name="ScheduleOfAggregateCommitmentsUndrawnCommitmentsPercentageOfCommitmentsFundedAndNumberOfSubscribedForUnits" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentCompanyPortfolioTurnOverRate" name="InvestmentCompanyPortfolioTurnOverRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_SelectedBalanceSheetInformationAbstract" name="SelectedBalanceSheetInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_ReimbursementsExpenseExpirationDate" name="ReimbursementsExpenseExpirationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_IncomeTaxTable" name="IncomeTaxTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_DebtInstrumentExtendedStatedMaturityDate" name="DebtInstrumentExtendedStatedMaturityDate" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_TwinStarInternationalIncMember" name="TwinStarInternationalIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_PncRevolvingCreditFacilityMember" name="PncRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_UnfundedCommitmentsAmount" name="UnfundedCommitmentsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_TermLoanMember" name="TermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_TransactionsPolicyTextBlock" name="TransactionsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_NonCashSalesOfInvestmentsDueToReorganization" name="NonCashSalesOfInvestmentsDueToReorganization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_PercentageOfNetUnrealizedDepreciationOnUnfundedCommitments" name="PercentageOfNetUnrealizedDepreciationOnUnfundedCommitments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentCompanyDistributionsAbstract" name="InvestmentCompanyDistributionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_CommonUndrawnCommitmentMember" name="CommonUndrawnCommitmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_ConsumerDurablesAndApparelMember" name="ConsumerDurablesAndApparelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_ScheduleOfUnfundedCommitmentsAndUnrealizedDepreciationByInvestmentTableTextBlock" name="ScheduleOfUnfundedCommitmentsAndUnrealizedDepreciationByInvestmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_CapitalGoodsMember" name="CapitalGoodsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_InterestAndCreditFacilityExpenses" name="InterestAndCreditFacilityExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InterestRateOnRepurchaseTransactionsPrincipalAmount" name="InterestRateOnRepurchaseTransactionsPrincipalAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_SelectedIncomeStatementInformationAbstract" name="SelectedIncomeStatementInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_NonCashPurchaseOfInvestmentsDueToReorganization" name="NonCashPurchaseOfInvestmentsDueToReorganization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_ReturnOfCapital" name="ReturnOfCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_NetIncreaseDecreaseInMembersCapitalResultingFromOperationsAbstract" name="NetIncreaseDecreaseInMembersCapitalResultingFromOperationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_OtherAccruedExpensesAndOtherLiabilities" name="OtherAccruedExpensesAndOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_CashEquivalentsPercentOfNetAssets" name="CashEquivalentsPercentOfNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_PercentageOfYieldOnShortTermInvestments" name="PercentageOfYieldOnShortTermInvestments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_OutformGroupIncMember" name="OutformGroupIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_DebtInstrumentExtendedMaturityDate" name="DebtInstrumentExtendedMaturityDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentMaturityMonthAndYear" name="InvestmentMaturityMonthAndYear" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_OrganizationCostsAdviserReimbursement" name="OrganizationCostsAdviserReimbursement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_PercentageOfAggregateCumulativeInvestedAmountInExistingPortfolioCompanies" name="PercentageOfAggregateCumulativeInvestedAmountInExistingPortfolioCompanies" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_CreditFacilitiesPayable" name="CreditFacilitiesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_ChemicalsMember" name="ChemicalsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_SignificantSegmentExpensesMember" name="SignificantSegmentExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_BarclaysTransactionMember" name="BarclaysTransactionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_SoftwareMember" name="SoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_RepurchaseTransactionsPrincipalAmount" name="RepurchaseTransactionsPrincipalAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyInternalRateOfReturnAfterAllFeesAndExpenses" name="InvestmentCompanyInternalRateOfReturnAfterAllFeesAndExpenses" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_EquitySecuritiesThreeMember" name="EquitySecuritiesThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_IncreaseDecreaseInDueFromAdvisers" name="IncreaseDecreaseInDueFromAdvisers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedLongTermCapitalLossCarryforward" name="InvestmentCompanyDistributableEarningsLossAccumulatedLongTermCapitalLossCarryforward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_RepurchaseObligationOutstanding" name="RepurchaseObligationOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_MeasurementInputTakeOutIndicationMember" name="MeasurementInputTakeOutIndicationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_InvestmentOwnedAndShortTermInvestmentPercentOfNetAssets" name="InvestmentOwnedAndShortTermInvestmentPercentOfNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentType" name="InvestmentType" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_ReimbursementsExpenseAvailableForRecoupmentAmount" name="ReimbursementsExpenseAvailableForRecoupmentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_NetRealizedGainLossOnShortTermInvestments" name="NetRealizedGainLossOnShortTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyRatioOfTotalExpensesToAverageNetAssets" name="InvestmentCompanyRatioOfTotalExpensesToAverageNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentOwnedFairValueBeginningBalance" name="InvestmentOwnedFairValueBeginningBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_UnrealizedDepreciationOnUnfundedCommitments" name="UnrealizedDepreciationOnUnfundedCommitments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyDividendDistributionFromCapital" name="InvestmentCompanyDividendDistributionFromCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyRatiosBasedOnAverageNetAssetsOfMembersCapitalAbstract" name="InvestmentCompanyRatiosBasedOnAverageNetAssetsOfMembersCapitalAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_LessThan50OfMaximumCommitmentMember" name="LessThan50OfMaximumCommitmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_RepurchaseTransactionSettlementAmount" name="RepurchaseTransactionSettlementAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InterestAndCreditFacilityExpensePayable" name="InterestAndCreditFacilityExpensePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_PncCreditFacilityMember" name="PncCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_NetRealizedGainLossFromNonControlledNonAffiliatedInvestments" name="NetRealizedGainLossFromNonControlledNonAffiliatedInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_LineOfCreditFacilityAggregateMaximumCommitmentAmount" name="LineOfCreditFacilityAggregateMaximumCommitmentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_ReimbursementsExpenseExpirationYear" name="ReimbursementsExpenseExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_PercentageOfVotingInterestsOnInvestmentSecuritiesOwned" name="PercentageOfVotingInterestsOnInvestmentSecuritiesOwned" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_CommonUnitholderReturnOfCapital" name="CommonUnitholderReturnOfCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InvestmentValuationsAndFairValueMeasurementsTable" name="InvestmentValuationsAndFairValueMeasurementsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_GreenfieldWorldTradeIncMember" name="GreenfieldWorldTradeIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_PercentageOfAdvisorIncentiveFeeEntitled" name="PercentageOfAdvisorIncentiveFeeEntitled" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_RecallableAmount" name="RecallableAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_InvestmentOwnedFairValueEndingBalance" name="InvestmentOwnedFairValueEndingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_NetChangeInUnrealizedAppreciationDepreciationAbstract" name="NetChangeInUnrealizedAppreciationDepreciationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_NumberOfBusinessDays1" name="NumberOfBusinessDays1" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_CommonUnitholdersUndrawnCommitment" name="CommonUnitholdersUndrawnCommitment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_PercentageYieldOnCashEquivalents" name="PercentageYieldOnCashEquivalents" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_AerospaceAndDefenseMember" name="AerospaceAndDefenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_MediaMember" name="MediaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_SeventhAmendedRevolvingCreditAgreementMember" name="SeventhAmendedRevolvingCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_PercentageOfInvestmentIncome" name="PercentageOfInvestmentIncome" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_FirstAmericanGovernmentObligationFundMember" name="FirstAmericanGovernmentObligationFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_IncomeTaxLineItems" name="IncomeTaxLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_InvestmentCompanyAssetCoverageRatio" name="InvestmentCompanyAssetCoverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentValuationsAndFairValueMeasurementsLineItems" name="InvestmentValuationsAndFairValueMeasurementsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_SecondAmendedPncCreditAgreementMember" name="SecondAmendedPncCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_UndrawnCommitmentFees" name="UndrawnCommitmentFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_EquitySecuritiesTwoMember" name="EquitySecuritiesTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_EnergyEquipmentAndServicesMember" name="EnergyEquipmentAndServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsFairValue" name="InvestmentOwnedShortTermInvestmentAndCashEquivalentsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyRatioOfFinancingCostToAverageNetAssets" name="InvestmentCompanyRatioOfFinancingCostToAverageNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_NatixisRevolvingCreditFacilityMember" name="NatixisRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_ReconciliationOfTermLoanAmountsPresentedOnConsolidatedStatementsOfAssetsAndLiabilitiesVersusOutstandingTableTextBlock" name="ReconciliationOfTermLoanAmountsPresentedOnConsolidatedStatementsOfAssetsAndLiabilitiesVersusOutstandingTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentCompanyRatioOfNetExpensesToAverageNetAssets" name="InvestmentCompanyRatioOfNetExpensesToAverageNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_AmendedAndSecondAmendedPncCreditAgreementMember" name="AmendedAndSecondAmendedPncCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_IncreaseDecreaseInMembersCapitalResultingFromCapitalActivityAbstract" name="IncreaseDecreaseInMembersCapitalResultingFromCapitalActivityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_IncomeTaxExaminationForPriorYearsReturnsFiled" name="IncomeTaxExaminationForPriorYearsReturnsFiled" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_BasisPointsOfAggregateCapitalCommitmentsForOrganizationAndOfferingExpenses" name="BasisPointsOfAggregateCapitalCommitmentsForOrganizationAndOfferingExpenses" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_AdvisoryAgreementAdditionalRenewalPeriod" name="AdvisoryAgreementAdditionalRenewalPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_NetExpenses" name="NetExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_ShortTermInvestmentsFairValue" name="ShortTermInvestmentsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InvestmentValuationsAndFairValueMeasurementsDisclosureTextBlock" name="InvestmentValuationsAndFairValueMeasurementsDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_OrganizationAndBasisOfPresentationDisclosureLineItems" name="OrganizationAndBasisOfPresentationDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_PercentageOfMembershipInterestsInSubsidiary" name="PercentageOfMembershipInterestsInSubsidiary" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_UnrealizedDepreciation" name="UnrealizedDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_RisksRelatedToInvestmentsMember" name="RisksRelatedToInvestmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_InvestmentCompanyDistributableEarningsLossAccumulatedShortTermCapitalLossCarryforward" name="InvestmentCompanyDistributableEarningsLossAccumulatedShortTermCapitalLossCarryforward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_RealizedGainLossOnShortTermInvestments" name="RealizedGainLossOnShortTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndPaydownsOfInvestments" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndPaydownsOfInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_NetRealizedGainLossFromControlledAffiliatedInvestment" name="NetRealizedGainLossFromControlledAffiliatedInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_DebtInstrumentMaturityDateToBeExtendedUponSatisfactionOfCertainConditions" name="DebtInstrumentMaturityDateToBeExtendedUponSatisfactionOfCertainConditions" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_GeneralRiskFactorsMember" name="GeneralRiskFactorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_AccumulatedNetRealizedGainLossTaxBasis" name="AccumulatedNetRealizedGainLossTaxBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_AccumulatedCommonUnitholderTaxReclassification" name="AccumulatedCommonUnitholderTaxReclassification" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InvestmentOwnedShortTermInvestmentAndCashEquivalentsPercentOfNetAssets" name="InvestmentOwnedShortTermInvestmentAndCashEquivalentsPercentOfNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_PercentageOfExistingPortfolioCompaniesAggregateAmountNotToExceedAnAmountEqualToAggregateCumulativeInvestedOrCommitted" name="PercentageOfExistingPortfolioCompaniesAggregateAmountNotToExceedAnAmountEqualToAggregateCumulativeInvestedOrCommitted" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_AmendedPncMaximumCommitmentMember" name="AmendedPncMaximumCommitmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_PercentageOfUnusedCapacityGreaterThan50Member" name="PercentageOfUnusedCapacityGreaterThan50Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_DueFromAdviser" name="DueFromAdviser" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_PublishingMember" name="PublishingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_MembersCapitalPeriodIncreaseDecrease" name="MembersCapitalPeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_ShortTermInvestmentsPolicyTextBlock" name="ShortTermInvestmentsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortizationOfPremiumAndAccretionOfDiscountNet" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortizationOfPremiumAndAccretionOfDiscountNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_PurchasesOfShortTermInvestments" name="PurchasesOfShortTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesBeforeIncentiveFees" name="InvestmentCompanyInternalRateOfReturnSinceInceptionAfterManagementFeesFinancingCostsAndOperatingExpensesBeforeIncentiveFees" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_ReceivableForInvestmentsSold" name="ReceivableForInvestmentsSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_InvestmentCompanyInternalRateOfReturnBeforeIncentiveFees" name="InvestmentCompanyInternalRateOfReturnBeforeIncentiveFees" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_NonQualifyingAssets" name="NonQualifyingAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_AdministrationAgreementAdditionalRenewalPeriod" name="AdministrationAgreementAdditionalRenewalPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_CreditFacilitiesMember" name="CreditFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_AgyHoldingsCorpMember" name="AgyHoldingsCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001715933_IncentiveFeeExpenseNet" name="IncentiveFeeExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001715933_PercentageOfPortfolioBreakdownOnInvestment" name="PercentageOfPortfolioBreakdownOnInvestment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_AdvisoryAgreementEffectivePeriod" name="AdvisoryAgreementEffectivePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_OfferingCostsAdviserReimbursement" name="OfferingCostsAdviserReimbursement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_ExtendedTermOfSubscriptionAgreementsThereafter" name="ExtendedTermOfSubscriptionAgreementsThereafter" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_ExtendedDebtInstrumentMaturityDate" name="ExtendedDebtInstrumentMaturityDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_InvestmentCompanyNetOfOfferingCostsReimbursedPerShare" name="InvestmentCompanyNetOfOfferingCostsReimbursedPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001715933_CommonUnitholdersTaxReclassification" name="CommonUnitholdersTaxReclassification" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_DistributionsPayable" name="DistributionsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001715933_RestrictedInvestmentsPercentOfAssets" name="RestrictedInvestmentsPercentOfAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
</xsd:schema>
