Class R Shares [Member] Class I Shares [Member] Class Y Shares [Member] Class S Shares [Member] Expenses on a $1,000 Investment Assuming [Member] INVESTMENT RELATED RISKS [Member] Closed-end Interval Fund [Member] Identification and Availability of Investment Opportunities; No Assurance of Return [Member] Portfolio Construction and Lack of Diversification [Member] Valuation Risk [Member] Valuation of the Fund’s Interests in Portfolio Funds [Member] Political and Economic Risks [Member] Changes in Trade Negotiations [Member] Changing Regulatory Environment [Member] Risks Associated with Non-U.S. Investments [Member] Trade Policies [Member] Illiquid Investments [Member] Limited Liquidity; No Market for Shares [Member] Time Required to Maturity of Investments [Member] Volatility; Interest Rate Risk [Member] Contingent Liabilities [Member] Reliance on Direct Investment Sponsors [Member] Debt Securities Risk [Member] Volatile Market Conditions [Member] Fraudulent Activities [Member] Limited Availability of Information [Member] Taxation [Member] Failure to Qualify as a RIC or Satisfy Distribution Requirement [Member] Difficulty Meeting RIC Requirements [Member] Corporate-Level Income Tax [Member] Changes in Tax Laws [Member] Follow-on Investments [Member] Commitment Strategy [Member] Co-Investment Risks [Member] Derivative Instruments and Hedging [Member] OID and PIK Instrument Risk [Member] Currency Risk [Member] Hedging Risks [Member] Inflation Risk [Member] Consequences of the Fund’s Failure to Satisfy Capital Calls [Member] Termination of the Fund’s Interest in a Portfolio Fund [Member] Portfolio Fund Risk of Leverage [Member] Eurozone Risk [Member] Risks Relating to Accounting, Auditing and Financial Reporting, etc. [Member] Inflation and Interest Risks [Member] Investments in the Debt Securities of Small or Middle-Market Portfolio Companies Risk [Member] First Lien Senior Secured Loans, Second Lien Senior Secured Loans and Unitranche Debt Risk [Member] Mezzanine Investments Risk [Member] Risks Associated with Covenant-Lite Loans [Member] High Yield Securities and Distressed Securities Risk [Member] Direct Lending Risk [Member] Direct Origination Risk [Member] Extension Risk [Member] Bank Loans [Member] Non-Performing Loans [Member] Business Development Companies (“BDCs”)[Member] Asset-Backed Securities Risk [Member] Collateralized Loan Obligations and Collateralized Debt Obligations [Member] Structured Products [Member] Unsecured Loans [Member] Force Majeure Risk [Member] Warehouse Investment Risk [Member] RISKS SPECIFIC TO SECONDARY INVESTMENTS [Member] General Risks of Secondary Investments [Member] Non-Traditional Secondary Investments; Joint Investments; Other Investments [Member] Restrictions on Transfers of Secondary Interests [Member] Competition for Investments by Secondary Funds [Member] Limitations in Secondary Investments [Member] RISKS PERTAINING TO INVESTMENTS IN PORTFOLIO FUNDS [Member] Risks Associated with Portfolio Funds [Member] Investments in the Portfolio Funds Generally; Dependence on the Portfolio Fund Managers [Member] Portfolio Funds are Not Registered [Member] Portfolio Funds are Generally Non-Diversified [Member] Portfolio Funds’ Securities are Generally Illiquid [Member] Portfolio Fund Operations Not Transparent [Member] Multiple Levels of Fees and Expenses [Member] Inability to Vote [Member] Consortium or Offsetting Investments [Member] Limitations on Ability to Invest in Portfolio Funds [Member] Indemnification of Portfolio Funds and Portfolio Fund Managers [Member] Portfolio Fund Operations Not Transparent One [Member] BUSINESS, STRUCTURE AND MANAGEMENT RELATED RISKS [Member] Reliance on the Adviser and Key Personnel [Member] Competition for Investment Opportunities [Member] Risks of Investing with Other Parties; Non-Controlling Investments [Member] Limited Information Concerning Potential Investments; Limited Availability of Information [Member] Fair Valuation for Portfolio Investments [Member] Amount or Frequency of Distributions Not Guaranteed [Member] Divergence of Resources [Member] Transactions with Affiliates [Member] Fluctuations in Performance [Member] GENERAL RISKS [Member] Limited Operating History [Member] Repurchase Offer Risks [Member] Payment In-Kind for Repurchased Shares [Member] Non-Diversified Status [Member] Market Disruption and Geopolitical Risk [Member] Legal, Tax and Regulatory Risks [Member] Valuation Risk | General Risks [Member] Substantial Repurchases [Member] Temporary Investments [Member] Cybersecurity Risk [Member] Regulatory Risks of Portfolio Funds [Member] Tax Treatment of the Additional Shares [Member] LIMITS OF RISKS DISCLOSURE [Member] Prepayment Risk [Member] Loan Participations and Assignments [Member] Secured Debt [Member]