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Disclosure - RELATED PARTY ARRANGEMENTS - Components of Expenses Reimbursed/Fees Waived (Details) link:presentationLink link:calculationLink link:definitionLink 99940902 - Disclosure - CREDIT FACILITIES - Summary of credit facility (Details) link:presentationLink link:calculationLink link:definitionLink 99940903 - Disclosure - CREDIT FACILITIES - Summary of interest expense and amortized financing costs on credit facility (Details) link:presentationLink link:calculationLink link:definitionLink 995200105 - Statement - CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995200300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS (unaudited) link:presentationLink link:calculationLink link:definitionLink 995200500 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 00500 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS Default link:presentationLink link:calculationLink link:definitionLink 99930903 - Disclosure - CREDIT FACILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99940101 - Disclosure - NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - Nature of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 99940102 - Disclosure - NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 99940105 - Disclosure - NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - U.S. Federal Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 99940201 - Disclosure - RELATED PARTY ARRANGEMENTS - Investment Advisory Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 99940202 - Disclosure - RELATED PARTY ARRANGEMENTS - Income-Based Incentive Fee (Details) link:presentationLink link:calculationLink link:definitionLink 99940208 - Disclosure - RELATED PARTY ARRANGEMENTS - Administration Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 99940302 - Disclosure - DISTRIBUTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 99940401 - Disclosure - EQUITY OFFERINGS AND RELATED EXPENSES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 99940402 - Disclosure - EQUITY OFFERINGS AND RELATED EXPENSES - Issuance of Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 99940601 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE - Total Fair Value and Cost of Investments (Details) link:presentationLink link:calculationLink link:definitionLink 99940602 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE - Aggregate gross unrealized appreciation and depreciation and aggregate cost and fair value of portfolio company securities (Details) link:presentationLink link:calculationLink link:definitionLink 99940603 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE - Fair values of investments disaggregated into three levels of fair value hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 99940604 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE - Aggregate values of Level 3 portfolio investments change (Details) link:presentationLink link:calculationLink link:definitionLink 99940605 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE - Geographical concentration of investment portfolio (Details) link:presentationLink link:calculationLink link:definitionLink 99940606 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE - Industry concentration of investment portfolio (Details) link:presentationLink link:calculationLink link:definitionLink 99940607 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE - Quantitative information about Level 3 fair value measurements (Details) link:presentationLink link:calculationLink link:definitionLink 99940901 - Disclosure - CREDIT FACILITIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 99941001 - Disclosure - SUBSEQUENT EVENTS - Investment Portfolio (Details) link:presentationLink link:calculationLink link:definitionLink 99941002 - Disclosure - SUBSEQUENT EVENTS - Credit Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 99941003 - Disclosure - SUBSEQUENT EVENTS - Dividends Declared (Details) link:presentationLink link:calculationLink link:definitionLink 995200090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 995210101 - Disclosure - NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 995210201 - Disclosure - RELATED PARTY ARRANGEMENTS link:presentationLink link:calculationLink link:definitionLink 995210301 - Disclosure - DISTRIBUTIONS link:presentationLink link:calculationLink link:definitionLink 995210401 - Disclosure - EQUITY OFFERINGS AND RELATED EXPENSES link:presentationLink link:calculationLink link:definitionLink 995210501 - Disclosure - NET INCREASE IN NET ASSETS PER COMMON SHARE OF BENEFICIAL INTEREST link:presentationLink link:calculationLink link:definitionLink 995210601 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE link:presentationLink link:calculationLink link:definitionLink 995210701 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 995210801 - Disclosure - FINANCIAL HIGHLIGHTS link:presentationLink link:calculationLink link:definitionLink 995210901 - Disclosure - CREDIT FACILITIES link:presentationLink link:calculationLink link:definitionLink 995211001 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 995211101 - Disclosure - REPORTABLE SEGMENTS link:presentationLink link:calculationLink link:definitionLink 99920102 - Disclosure - NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 99930103 - Disclosure - NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930203 - Disclosure - RELATED PARTY ARRANGEMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 99930303 - Disclosure - DISTRIBUTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 99930403 - Disclosure - EQUITY OFFERINGS AND RELATED EXPENSES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930503 - Disclosure - NET INCREASE IN NET ASSETS PER COMMON SHARE OF BENEFICIAL INTEREST (Tables) link:presentationLink link:calculationLink link:definitionLink 99930603 - Disclosure - PORTFOLIO INVESTMENTS AND FAIR VALUE (Tables) link:presentationLink link:calculationLink link:definitionLink 99930803 - Disclosure - FINANCIAL HIGHLIGHTS (Tables) link:presentationLink link:calculationLink link:definitionLink 99931003 - Disclosure - SUBSEQUENT EVENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 99940103 - Disclosure - NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - Deferred Offering Costs (Details) link:presentationLink link:calculationLink link:definitionLink 99940203 - Disclosure - RELATED PARTY ARRANGEMENTS - Capital Gains Incentive Fee (Details) link:presentationLink link:calculationLink link:definitionLink 99940205 - Disclosure - RELATED PARTY ARRANGEMENTS - Expense Support and Conditional Reimbursement (Details) link:presentationLink link:calculationLink link:definitionLink 99940207 - Disclosure - RELATED PARTY ARRANGEMENTS - Trustees' Fees (Details) link:presentationLink link:calculationLink link:definitionLink 99940301 - Disclosure - DISTRIBUTIONS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 99940403 - Disclosure - EQUITY OFFERINGS AND RELATED EXPENSES - Share Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 99940501 - Disclosure - NET INCREASE IN NET ASSETS PER COMMON SHARE OF BENEFICIAL INTEREST (Details) link:presentationLink link:calculationLink link:definitionLink 99940701 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 99940801 - Disclosure - FINANCIAL HIGHLIGHTS - Roll Forward (Details) link:presentationLink link:calculationLink link:definitionLink 99940802 - Disclosure - FINANCIAL HIGHLIGHTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 99941101 - Disclosure - REPORTABLE SEGMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink