999009 - Disclosure - Anchoring link:presentationLink link:calculationLink link:definitionLink Tax Status [Member] Tax status. Private Equity Investments [Member] Private equity investments. Class D Shares [Member] Class D Shares. Valuation of the Funds Interests in Investment Funds [Member] Valuation of the funds interests in investment funds. Financial Sector [Member] Financial sector. Common Share [Member] Common Share member. Common Shares [Member] Sector Risk [Member] Sector Risk Member Leverage Utilized by the Fund [Member] Leverage utilized by the fund. Non Us Risk [Member] Non Us Risk Member Availability of Investment Opportunities [Member] Availability of investment opportunities. Class U Shares Held [Member] Class U Shares Held member. Financial Institutions Risk [Member] Financial institutions risk. Risks Associated with Changes in Reference Rates [Member] Risks associated with changes in reference rates. Allocation Risk [Member] Allocation risk. Infrastructure Sector Risk [Member] Infrastructure sector risk. Technology Sectors [Member] Technology sectors. Emerging Markets [Member] Emerging markets. Risks of Concentration [Member] Risks of concentration. Demand and Usage Risk [Member] Demand And Usage Risk Member Agriculture and Forestry Sector Risk [Member] Agriculture and forestry sector risk. Energy Sector Risk [Member] Energy sector risk. Investments in Non Voting Stock Inability to Vote [Member] Investments in non voting stock inability to vote. Sector Concentration [Member] Sector Concentration Member Regulatory Risks of Investment Funds [Member] Regulatory Risks Of Investment Funds Member Terrorism Risk [Member] Terrorism Risk Member Infrastructure Investments Generally [Member] Infrastructure Investments Generally Member Mezzanine Investments [Member] Mezzanine investments. Venture Capital and Growth Equity [Member] Venture capital and growth equity. Primary Investments [Member] Primary Investments Member Risks Associated with Covenant Lite Loans [Member] Risks associated with covenant lite loans. Class I Shares Held [Member] Class I Shares Held Member J Curve Performance Risk [Member] J Curve performance risk. Non Diversified Status [Member] Non Diversified Status Member Termination of the Funds Interest in an Investment Fund [Member] Termination of the funds interest in an investment fund. Commitment Strategy [Member] Commitment strategy. Illiquidity Of Infrastructure Assets [Member] Illiquidity Of Infrastructure Assets Member Environmental Health And Safety Risks [Member] Environmental Health And Safety Risks Member Force Majeure Risk [Member] Force Majeure risk. Special Situations and Distressed Investments [Member] Special situations and distressed investments. SOFR Risk [Member] Sofr Risk Member Investments in the Debt Securities of Small or Middle Market Portfolio Companies [Member] Investments in the debt securities of small or middle market portfolio companies. Currency Risk [Member] Currency risk. Class S Shares Held [Member] Class S Shares Held Member First Lien Senior Secured Loans, Second Lien Senior Secured Loans and Unitranche Debt [Member] First lien senior secured loans, second lien senior secured loans and unitranche debt. High Yield Securities and Distressed Securities [Member] High yield securities and distressed securities. Closed end Interval Fund [Member] Closed End Interval Fund Member Regulatory and Legal Risks [Member] Regulatory And Legal Risks Member General Economic and Market Conditions [Member] General economic and market conditions. Real Estate Investments [Member] Real estate investments. Class S Shares [Member] Class S Shares. Class I Shares [Member] Class I Shares. Class D Shares Held [Member] Class D Shares Held Member Limited Operating History [Member] Limited operating history. General Risks of Secondary Investments [Member] General risks of secondary investments. Utilities sector. Utilities Sector [Member] Geographic Concentration Risks [Member] Geographic concentration risks. Repurchase Offers Risk [Member] Repurchase Offers Risk Member Valuations Subject to Adjustment [Member] Valuations subject to adjustment. Nature of Portfolio Companies [Member] Nature of portfolio companies. Climate Risk [Member] Climate Risk Member Class U Shares [Member] Class U Shares. Investments In The Debt Securities Of Small Or Middlemarket Portfolio [Member] Investments In The Debt Securities Of Small Or Middlemarket Portfolio Member