1001 - Disclosure - N-2 - [Fee Table] link:presentationLink link:definitionLink link:calculationLink 1002 - Disclosure - N-2 - [Investment Objectives] link:presentationLink link:definitionLink link:calculationLink 1003 - Disclosure - N-2 - [Risk Factors] link:presentationLink link:definitionLink link:calculationLink 1004 - Disclosure - N-2 - [Effects of Leverage] link:presentationLink link:definitionLink link:calculationLink 1005 - Disclosure - N-2 - [Capital Stock] link:presentationLink link:definitionLink link:calculationLink 1006 - Disclosure - N-2 - [Outstanding Securities] link:presentationLink link:definitionLink link:calculationLink Institutional Class [Member] Class A-1 [Member] Class A-2 [Member] Class A-3 [Member] Class A-4 [Member] If You Redeem Your Shares Institutional Class [Member] If You Redeem Your Shares Class A1 [Member] If You Redeem Your Shares Class A2 [Member] If You Redeem Your Shares Class A3 [Member] If You Redeem Your Shares Class A4 [Member] If You Do Not Redeem Your Shares Class A2 [Member] If You Do Not Redeem Your Shares Class A4 [Member] Institutional Class Common Shares [Member] Class A1 Common Shares [Member] Class A2 Common Shares [Member] Class A3 Common Shares [Member] Class A4 Common Shares [Member] Market Risk [Member] Asset Allocation Risk [Member] Issuer Risk [Member] Repurchase Offers Risk [Member] Large Shareholder Risk [Member] Management Risk [Member] Credit Risks [Member] Corporate Debt Securities Risk [Member] Mortgage-Related and Other Asset-Backed Instruments Risk [Member] Privately-Issued Mortgage-Related Securities Risk [Member] Subprime Risk [Member] Municipal Bond Risk [Member] Liquidity Risk [Member] High Yield Securities Risk [Member] Distressed and Defaulted Securities Risk [Member] Senior Debt Risk [Member] Loans and Other Indebtedness; Loan Acquisitions, Participations and Assignments Risk [Member] Loan Origination Risk [Member] Foreign Loan Originations Risk [Member] Privacy and Data Security Risk [Member] Platform Risk [Member] "Covenant-Lite" Obligations Risk [Member] Reinvestment Risk [Member] Call Risk [Member] Foreign Non U S Investment Risk [Member] Emerging Markets Risk [Member] Currency Risk [Member] Real Estate Risk [Member] Investments in REITs Risk [Member] REIT Subsidiary Risk [Member] Real Estate Joint Venture Risk [Member] Private Real Estate Investments Risk [Member] REIT Subsidiary Risk – Tax Risk [Member] Private Funds Risk - Tax Risk [Member] U.S. Government Securities Risk [Member] Sovereign Debt Risk [Member] Foreign Non US Government Securities Risk [Member] Convertible Securities Risk [Member] Contingent Convertible Securities Risk [Member] Valuation Risk [Member] Leverage Risk [Member] Focused Investment Risk [Member] Derivatives Risk [Member] Credit Default Swaps Risk [Member] Structured Investments Risk [Member] Counterparty Risk [Member] Confidential Information Access Risk [Member] Private Placements Risk [Member] Inflation/Deflation Risk [Member] Inflation-Indexed Security Risk [Member] Insurance-Linked and Other Instruments Risk [Member] Regulatory Changes Risk [Member] Tax Risk [Member] Potential Conflicts of Interest Risk—Allocation of Investment Opportunities [Member] Repurchase Agreements Risk [Member] Distribution Rate Risk [Member] Zero-Coupon Bonds, Step-Ups and Payment-In-Kind Securities [Member] Subsidiary Risk [Member] Portfolio Turnover Risk [Member] Operational Risk [Member] Market Disruptions Risk [Member] Cyber Security Risk [Member] Short Exposure Risk [Member] Equity Risk [Member] Other Pooled Investment Vehicles Risk [Member] Risk Retention Investment Risk [Member] Certain Affiliations [Member] Anti-Takeover Provisions [Member] Geopolitical Conflicts Risk [Member]