<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>600</ContextCount>
  <ElementCount>260</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>77</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>100010 - Statement - Consolidated Statements of Assets and Liabilities (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/StatementConsolidatedStatementsOfAssetsAndLiabilitiesUnaudited</Role>
      <ShortName>Consolidated Statements of Assets and Liabilities (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>100020 - Statement - Consolidated Statements of Assets and Liabilities (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/StatementConsolidatedStatementsOfAssetsAndLiabilitiesUnauditedParenthetical</Role>
      <ShortName>Consolidated Statements of Assets and Liabilities (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>100030 - Statement - Consolidated Statement of Operations (Unuadited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/StatementConsolidatedStatementOfOperationsUnuadited</Role>
      <ShortName>Consolidated Statement of Operations (Unuadited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>100040 - Statement - Consolidated Statement of Changes in Net Assets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/StatementConsolidatedStatementOfChangesInNetAssetsUnaudited</Role>
      <ShortName>Consolidated Statement of Changes in Net Assets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>100050 - Statement - Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsUnaudited</Role>
      <ShortName>Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>100060 - Statement - Consolidated Schedules of Investments (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/StatementConsolidatedSchedulesOfInvestmentsUnaudited</Role>
      <ShortName>Consolidated Schedules of Investments (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>100070 - Statement - Consolidated Schedules of Investments (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/StatementConsolidatedSchedulesOfInvestmentsUnauditedParenthetical</Role>
      <ShortName>Consolidated Schedules of Investments (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995470 - Disclosure - N-2</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cef/role/N2</Role>
      <ShortName>N-2</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995480 - Disclosure - Organization and Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureOrganizationAndBasisOfPresentation1</Role>
      <ShortName>Organization and Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995490 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995500 - Disclosure - Management Fees, Incentive Fees and Other Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureManagementFeesIncentiveFeesAndOtherExpenses</Role>
      <ShortName>Management Fees, Incentive Fees and Other Expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995510 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureDebt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995520 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureCommitmentsAndContingencies1</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995530 - Disclosure - Other Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureOtherRelatedPartyTransactions</Role>
      <ShortName>Other Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995540 - Disclosure - Stockholders' Equity and Dividends</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureStockholdersEquityAndDividends</Role>
      <ShortName>Stockholders' Equity and Dividends</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995550 - Disclosure - Share Repurchase Program</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureShareRepurchaseProgram1</Role>
      <ShortName>Share Repurchase Program</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995560 - Disclosure - Financial Highlights</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureFinancialHighlights</Role>
      <ShortName>Financial Highlights</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995570 - Disclosure - Senior Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSeniorSecurities</Role>
      <ShortName>Senior Securities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995580 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995590 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995600 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995610 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureDebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureDebt</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995620 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureCommitmentsAndContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://tcpcapital.com/20230331/taxonomy/role/DisclosureCommitmentsAndContingencies1</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995630 - Disclosure - Stockholders' Equity and Dividends (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureStockholdersEquityAndDividendsTables</Role>
      <ShortName>Stockholders' Equity and Dividends (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://tcpcapital.com/20230331/taxonomy/role/DisclosureStockholdersEquityAndDividends</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995640 - Disclosure - Financial Highlights (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureFinancialHighlightsTables</Role>
      <ShortName>Financial Highlights (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureFinancialHighlights</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995650 - Disclosure - Senior Securities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSeniorSecuritiesTables</Role>
      <ShortName>Senior Securities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSeniorSecurities</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995660 - Disclosure - Organization and Basis of Presentation - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureOrganizationAndBasisOfPresentationAdditionalInformationDetails</Role>
      <ShortName>Organization and Basis of Presentation - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995670 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995680 - Disclosure - Summary of Significant Accounting Policies - Schedule of Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfInvestmentsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995690 - Disclosure - Summary of Significant Accounting Policies - Schedule of Unobservable Inputs Used in Fair Value Measurement of Level 3 Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfUnobservableInputsUsedInFairValueMeasurementOfLevel3InvestmentsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Unobservable Inputs Used in Fair Value Measurement of Level 3 Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995700 - Disclosure - Summary of Significant Accounting Policies - Schedule of Change in Value of Investment Over Change in Unobservable Input (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfChangeInValueOfInvestmentOverChangeInUnobservableInputDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Change in Value of Investment Over Change in Unobservable Input (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995710 - Disclosure - Summary of Significant Accounting Policies - Schedule of Changes in Investments Categorized as Level 3 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfChangesInInvestmentsCategorizedAsLevel3Details</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Changes in Investments Categorized as Level 3 (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995720 - Disclosure - Summary of Significant Accounting Policies - Schedule of Changes in Investments Categorized as Level 3 (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfChangesInInvestmentsCategorizedAsLevel3ParentheticalDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Changes in Investments Categorized as Level 3 (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995730 - Disclosure - Summary of Significant Accounting Policies - Summary of Gross Unrealized Appreciation and Depreciation Based on Cost of Investments for U.S. Federal Income Tax Purposes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfGrossUnrealizedAppreciationAndDepreciationBasedOnCostOfInvestmentsForUsFederalIn</Role>
      <ShortName>Summary of Significant Accounting Policies - Summary of Gross Unrealized Appreciation and Depreciation Based on Cost of Investments for U.S. Federal Income Tax Purposes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995740 - Disclosure - Management Fees, Incentive Fees and Other Expenses - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureManagementFeesIncentiveFeesAndOtherExpensesAdditionalInformationDetails</Role>
      <ShortName>Management Fees, Incentive Fees and Other Expenses - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995750 - Disclosure - Debt - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails</Role>
      <ShortName>Debt - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995760 - Disclosure - Debt - Schedule of Total Expenses Related to Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureDebtScheduleOfTotalExpensesRelatedToDebtDetails</Role>
      <ShortName>Debt - Schedule of Total Expenses Related to Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995770 - Disclosure - Other Related Party Transactions - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureOtherRelatedPartyTransactionsAdditionalInformationDetails</Role>
      <ShortName>Other Related Party Transactions - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995780 - Disclosure - Stockholders' Equity and Dividends - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureStockholdersEquityAndDividendsAdditionalInformationDetails</Role>
      <ShortName>Stockholders' Equity and Dividends - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995790 - Disclosure - Stockholders' Equity and Dividends - Schedule of Transactions in Common Shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureStockholdersEquityAndDividendsScheduleOfTransactionsInCommonSharesDetails</Role>
      <ShortName>Stockholders' Equity and Dividends - Schedule of Transactions in Common Shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995800 - Disclosure - Stockholders' Equity and Dividends - Schedule of Net Asset Value Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureStockholdersEquityAndDividendsScheduleOfNetAssetValuePerShareDetails</Role>
      <ShortName>Stockholders' Equity and Dividends - Schedule of Net Asset Value Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995810 - Disclosure - Stockholders' Equity and Dividends - Schedule of Declared Dividends to Common Stockholders (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureStockholdersEquityAndDividendsScheduleOfDeclaredDividendsToCommonStockholdersDetails</Role>
      <ShortName>Stockholders' Equity and Dividends - Schedule of Declared Dividends to Common Stockholders (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995820 - Disclosure - Commitments and Contingencies - Schedule of Certain Revolving Loan Facilities and Other Commitments with Unfunded Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfCertainRevolvingLoanFacilitiesAndOtherCommitmentsWithUnfundedBalancesDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule of Certain Revolving Loan Facilities and Other Commitments with Unfunded Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995830 - Disclosure - Share Repurchase Program - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureShareRepurchaseProgramAdditionalInformationDetails</Role>
      <ShortName>Share Repurchase Program - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995840 - Disclosure - Financial Highlights - Schedule of Financial Highlights (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureFinancialHighlightsScheduleOfFinancialHighlightsDetails</Role>
      <ShortName>Financial Highlights - Schedule of Financial Highlights (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995850 - Disclosure - Financial Highlights - Schedule of Financial Highlights (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/Role_DisclosureFinancialHighlightsScheduleOfFinancialHighlightsParentheticalDetails</Role>
      <ShortName>Financial Highlights - Schedule of Financial Highlights (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995860 - Disclosure - Senior Securities - Summary of Senior Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSeniorSecuritiesSummaryOfSeniorSecuritiesDetails</Role>
      <ShortName>Senior Securities - Summary of Senior Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995870 - Disclosure - Senior Securities - Summary of Senior Securities (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSeniorSecuritiesSummaryOfSeniorSecuritiesParentheticalDetails</Role>
      <ShortName>Senior Securities - Summary of Senior Securities (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ck0001902649-20230331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995880 - Disclosure - Subsequent Events - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tcpcapital.com/20230331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails</Role>
      <ShortName>Subsequent Events - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[dq-0542-Deprecated-Concept] Concept AccountingStandardsUpdate202004Member in us-gaap/2022 used in 1 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. ck0001902649-20230331.htm 8</Log>
    <Log type="Warning">[dq-0542-Deprecated-Concept] Concept InvestmentCompanyNetAssetsFromOperationsIncreaseDecrease in us-gaap/2022 used in 1 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. ck0001902649-20230331.htm 967</Log>
    <Log type="Warning">[dq-0542-Deprecated-Concept] Concept InvestmentsFederalIncomeTaxNoteScheduleOfInvestmentsTextBlock in us-gaap/2022 used in 1 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. ck0001902649-20230331.htm 21158</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4509 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_14dded8d-6a80-4fb9-ae2b-e688e4fd7485, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 2525</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -3593 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_56dfe598-ee29-40db-8b79-f1e40dbb38aa, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 2564</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -10003 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_44300534-edbc-488e-b14e-7dd426efd5c8, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 2889</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -7445 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_601fd87a-e54c-4845-962c-a0726cd40794, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 3253</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -3815 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_01a92b3b-656a-4c3f-be03-6921da3b6a42, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 3474</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -1694 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_b27e5f3c-3c8c-4fa8-bd4b-02c04221de64, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 4767</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -2317 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_ee8cff11-fc0c-45fb-8d26-46e95c09f666, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 5027</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -2305 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_0608e74b-0550-4dce-b592-d6f72f7ee838, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 5404</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -5778 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_e8d20b40-694b-40a7-9a36-d85da8f1a059, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 5443</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -6816 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_baf1ea47-95cb-4ea8-9f97-17bfec627c74, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 5783</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -207827 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_b76102ea-be28-4c41-aea0-3b2220a0447f, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 5978</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -1372 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_4f999dac-68ff-483b-9a37-a1026419cc25, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 6675</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4978 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_27a209c0-846b-4b69-9676-4ca1691c3261, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 6753</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4396 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_46cdbe98-78e8-45ab-971a-622021486b80, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 6986</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -8731 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_6740eb68-a8c8-4577-a0dd-c96189b59f71, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 7167</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4644 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_061ccbb7-0ff1-487f-ad1b-e4708d867d44, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 7284</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -2778 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_696445d9-931f-4d18-9265-ee6920b94f78, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 7583</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4445 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_c528d405-ff7f-4768-ba91-fc87ba405f4a, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 7622</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -2207 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_b44a4a14-70d0-4b44-b99d-5602eaa06ad0, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 8895</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -5813 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_84ac680a-d32e-4174-ba38-109f47361bdb, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 9414</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -6372 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_23309346-1ede-40ff-bc16-d68caee9e7c5, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 9569</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4748 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_6f6b8c3e-36c4-4975-896b-674edb7388fe, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 9723</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -5507 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_744cfa3b-df54-44f7-9435-c6da3cc88175, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 12063</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -10656 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_dc7764ba-6e97-4f77-a3a5-651cefdf1685, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 12531</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -7857 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_a19cb9cd-edc8-45ec-aef6-f3097f18a439, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 12895</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -2973 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_d29f4c49-20b3-4dc4-ad8b-48fd840a9298, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 13077</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -3717 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_b0fc9709-dee3-433b-acbd-5a925651eed5, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 13116</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -5897 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_3e8d0951-b537-45cf-bad6-4043d8c4a4d6, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 13155</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -6146 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_5143b94c-6141-4913-acfa-5efcbeaa1f72, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 13311</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -7126 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_836006a2-c8a0-4670-9ef8-d66271f53aa1, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 15449</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -229212 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_f18d2d50-9c14-4316-bb8a-4bd4426fb2ed, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 15644</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -9121 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_c773b45c-bdb0-479b-b9de-47d8ff0ec012, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 16640</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4891 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_a6a41330-b4d1-4487-b090-7873ad40241b, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 16757</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -2899 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_2af4ad12-7a7f-4dff-ab4a-fe484b4b1841, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 17157</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4638 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_e2cdbf74-db26-4c3a-97c1-3ac71c6c469e, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 17196</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -19482 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_4e4a1d79-e35a-4786-8c6c-d23ab9898d8a, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 17681</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -2782 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_22590333-fb74-4077-a140-3f770fdfe071, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 18466</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -6665 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_22d8a422-1950-44e4-8337-0a905b56efdd, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 19023</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4941 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_d86c3eae-3991-49d2-9b7e-b0c10052043a, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 19177</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -6001 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_0bd5f444-e032-435d-b7ea-eefa0c9830c3, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 19683</Log>
    <Log type="Warning">[dqc-0015-Negative-Values] Fact us-gaap:InvestmentOwnedAtCost has a value of -4939 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:InvestmentOwnedAtCost fact are: Context: C_495c601f-edfb-48ed-a714-df7f29c33919, Unit: U_USD, Rule Element Id: 1442. ck0001902649-20230331.htm 19722</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-Q" original="ck0001902649-20230331.htm">ck0001902649-20230331.htm</File>
    <File>ck0001902649-20230331.xsd</File>
    <File>ck0001902649-20230331_cal.xml</File>
    <File>ck0001902649-20230331_def.xml</File>
    <File>ck0001902649-20230331_lab.xml</File>
    <File>ck0001902649-20230331_pre.xml</File>
    <File>ck0001902649-ex31_1.htm</File>
    <File>ck0001902649-ex31_2.htm</File>
    <File>ck0001902649-ex32_1.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="660">http://fasb.org/us-gaap-sup/2022q3</BaseTaxonomy>
    <BaseTaxonomy items="2114">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="2">http://xbrl.sec.gov/cef/2022</BaseTaxonomy>
    <BaseTaxonomy items="32">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
