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 - [Effects of Leverage] link:presentationLink link:definitionLink link:calculationLink 1006 - Disclosure - N-2 - [Share Price Table] link:presentationLink link:definitionLink link:calculationLink 1007 - Disclosure - N-2 - [Capital Stock] link:presentationLink link:definitionLink link:calculationLink Common Shares [Member] Common Stock [Member] Investment Risk and Market Risk [Member] Fixed-Income Securities Risk [Member] Liquidity Risk [Member] Duration Risk [Member] Management Risk [Member] Below Investment Grade Securities (High-Yield) Risk [Member] Economic and Political Risks [Member] Market Illiquidity [Member] Currency Devaluations and Fluctuations [Member] Financial Information and Standards [Member] Smaller Company Risk [Member] U.S. Government Debt Securities Risk [Member] Derivatives Risk [Member] Interest Rate Transactions Risk [Member] Valuation Risk [Member] Risks of Warrants and Rights [Member] Inflation/Deflation Risk [Member] When-Issued and Delayed-Delivery Transactions Risk [Member] Market Events Risk [Member] Legislative and Regulatory Risk [Member] Credit Crisis Liquidity and Volatility Risk [Member] Portfolio Turnover Risk [Member] Temporary Defensive Strategies Risk [Member] Market Price Discount from Net Asset Value Risk [Member] Anti-Takeover Provisions Risk [Member] Potential Conflicts of Interest Risk [Member] Tax Risks [Member] Operational Risk [Member] Cybersecurity Risk [Member] Investments in Emerging Markets Risk [Member] Foreign Securities Risk [Member] Foreign Currency Risks [Member] Foreign Currency Instruments and Hedging Strategies [Member] Forward Currency Contracts [Member] Eurodollar or Yankee Obligations [Member] Securities Risk [Member] Rated and Unrated Securities [Member] Investment in Loans Risk [Member] Preferred Securities and Related Risks [Member] Europe – Recent Events [Member] Equity Securities Risk [Member] Managed Distribution Risk [Member] Investment Controls; Repatriation [Member] Middle Eastern Conflicts [Member] Terrorist Activities Risk [Member]