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 - [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 U.S. Government MortgageRelated Securities Risk [Member] U.S. Government Obligations Risk [Member] Valuation Risk [Member] Variable and Floating Rate Instrument Risk [Member] Warrants Risk [Member] CLO Risk [Member] Collateralized Debt Obligations Risk [Member] Convertible Securities Risk [Member] Counterparty Credit Risk [Member] Debt Securities Risk [Member] Derivatives Risk [Member] Distressed Securities Risk [Member] Emerging Markets Risk [Member] Equity Securities Risk [Member] Foreign Securities Risk [Member] GeographicAsset ClassRisk [Member] High Yield Bonds Risk [Member] Illiquid Investments Risk [Member] Illiquidity Risk [Member] Investment and Market Discount Risk [Member] Leverage Risk [Member] Market Risk and Selection Risk [Member] Market Risk [Member] Mortgage and AssetBacked Securities Risks [Member] Preferred Securities Risk [Member] Reverse Repurchase Agreements Risk [Member] Risk of Investing in the United States [Member] Senior Loans Risk [Member] Shareholder Activism Risk [Member] Sovereign Debt Risk [Member] Structured Notes Risk [Member] Bank Borrowings [Member] Common Shares [Member]