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 - [Share Price Table] link:presentationLink link:definitionLink link:calculationLink 1006 - Disclosure - N-2 - [Capital Stock] link:presentationLink link:definitionLink link:calculationLink 1007 - Disclosure - N-2 - [Outstanding Securities] link:presentationLink link:definitionLink link:calculationLink Common Shares [Member] Market Risk [Member] Asset Allocation Risk [Member] Management Risk [Member] Issuer Risk [Member] Credit Risk [Member] Mortgage-Related and Other Asset-Backed Instruments Risk [Member] Mortgage-Related Derivative Instruments Risk [Member] Privately-Issued Mortgage-Related Securities Risk [Member] High Yield Securities Risk [Member] Municipal Bond Risk [Member] Distressed and Defaulted Securities Risk [Member] Inflation Indexed Security 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] "Covenant-lite" Obligations Risk [Member] Subprime Risk [Member] Platform Risk [Member] Risk Retention Investment Risk [Member] Reinvestment Risk [Member] Securities Lending Risk [Member] Call Risk [Member] Foreign (Non-U.S.) Investment Risk [Member] Emerging Markets Risk [Member] Currency Risk [Member] U.S. Government Securities Risk [Member] Convertible Securities Risk [Member] Synthetic Convertible Securities Risk [Member] Contingent Convertible Securities Risk [Member] Valuation 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] Leverage Risk [Member] Private Funds Risk - Tax Risk [Member] Short Exposure Risk [Member] Smaller Company Risk [Member] Derivatives Risk [Member] Credit Default Swaps Risk [Member] Counterparty Risk [Member] Repurchase Agreements Risk [Member] Collateralized Bond Obligations, Collateralized Loan Obligations and Collateralized Debt Obligations Risk [Member] Preferred Securities Risk [Member] Equity Securities and Related Market Risk [Member] Insurance-Linked and Other Instruments Risk [Member] Private Placements and Restricted Securities Risk [Member] Inflation/Deflation Risk [Member] Regulatory Changes Risk [Member] Regulatory Risk—Commodity Pool Operator [Member] Liquidity Risk [Member] Tax Risk [Member] Subsidiary Risk [Member] Portfolio Turnover Risk [Member] Operational Risk [Member] Other Pooled Investment Vehicles Risk [Member] Privacy and Data Security Risk [Member] Confidential Information Access Risk [Member] Cyber Security Risk [Member] Potential Conflicts of Interest Risk—Allocation of Investment Opportunities [Member] Structured Investments Risk [Member] Market Disruptions Risk [Member] Focused Investment Risk [Member] Zero-Coupon Bonds, Step-Ups and Payment-in-Kind Securities Risk [Member] Debt Securities Risk [Member] Sovereign Debt Risk [Member] Certain Affiliations [Member] Anti-Takeover Provisions [Member] Fund Distribution Rates [Member] Market Discount Risk [Member]