1001 - Disclosure - N-2 - [Fee Table] link:presentationLink link:definitionLink link:calculationLink 1002 - Disclosure - N-2 - [Senior Securities] link:presentationLink link:definitionLink link:calculationLink 1003 - Disclosure - N-2 - [Investment Objectives] link:presentationLink link:definitionLink link:calculationLink 1004 - Disclosure - N-2 - [Risk Factors] link:presentationLink link:definitionLink link:calculationLink 1005 - Disclosure - N-2 - [Outstanding Securities] link:presentationLink link:definitionLink link:calculationLink Class L [Member] Class M [Member] Class A [Member] Class C [Member] Class I [Member] Allocation Risk [Member] Issuer Risk [Member] Liquidity Risk [Member] Management Risk [Member] Repurchase Offers Risks [Member] General Market Conditions Risk [Member] Failure of Financial Institutions and Sustained Financial Market Illiquidity [Member] Market Disruptions Risk [Member] Trade Negotiations and Related Government Actions [Member] Highly Volatile Markets [Member] U.S. Debt Ceiling and Budget Deficit Risks [Member] Concentration of Credit Risk [Member] Correlation Risk [Member] Repurchase Policy Risks [Member] Distribution Policy Risk [Member] Shareholders May Experience Dilution [Member] Anti-Takeover Provisions [Member] Limitation on Liability of Trustees and Officers; Indemnification and Advance of Expenses [Member] Operational, Artificial Intelligence, and Cybersecurity Risk [Member] Real Estate Industry Concentration and Real Estate Market Risk [Member] Private Equity and Private Market Investments Risk [Member] Direct Investments Risk [Member] Loans Risk [Member] Senior Loans Risk [Member] Subordinated Loans or Securities Risk [Member] Loans to Private Companies Risk [Member] Portfolio Funds Risk [Member] Lack of Control Over the Portfolio Funds and Other Portfolio Investments [Member] REIT Risk [Member] REOC Risk [Member] Portfolio Funds' Underlying Investments Risk [Member] Secondary Investments Risk [Member] Asset-Backed Securities Risk [Member] Commercial Mortgage-Backed Securities Risk [Member] Residential Mortgage-Backed Securities Risk [Member] Structured Products Risk [Member] CLO Risk [Member] Subordinated Debt Risk [Member] Mezzanine Securities Risk [Member] Rehypothecated Securities Risk [Member] Use of Leverage by the Fund [Member] Derivatives Risk [Member] Reverse Repurchase Agreements Risk [Member] Use of Leverage by Portfolio Funds [Member] Valuation of Portfolio Funds [Member] Credit Risk [Member] Preferred Securities Risk [Member] Convertible Securities Risk [Member] High Yield Securities Risk [Member] Foreign Securities and Emerging Markets Risk [Member] Infrastructure Industry Risk [Member] Leveraging Risk [Member] Credit Risk Associated with Debt Financing [Member] Inflation/Deflation Risk [Member] Compliance Failures [Member] Legal Tax And Regulatory Risks [Member] Possible Competition Between Portfolio Funds and Between the Fund and the Portfolio Funds [Member] Allocation of Investment Opportunities Risk [Member]