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 Common Shares [Member] Investment In Common Share [Member] Preferred Shares [Member] Investment Risk [Member] Market Risk [Member] Real Estate Industry Risk [Member] REIT Risk [Member] Real Estate Cycle Risks [Member] Property Type Risks [Member] Mortgage REIT Risks [Member] Private Real Estate Risk [Member] REIT Subsidiary Risk [Member] Other Real Estate Risks [Member] Ownership Limitation Risk [Member] Size Risks [Member] Credit Risk [Member] Tax and Regulatory Risks [Member] Common Stock Risk [Member] Preferred Securities Risk [Member] Dividend Paying Equity Securities Risk [Member] Foreign (Non-U.S.) Securities Risk [Member] Debt Securities Risk [Member] Lower-Rated Securities Risk [Member] Warrants and Rights Risk [Member] Options Risk [Member] Convertible Securities Risk [Member] Distribution Risk for Equity Income Securities [Member] Fixed Income Securities Risks [Member] U.S. Government Securities and Credit Rating Downgrade Risk [Member] Restricted and Illiquid Securities Risk [Member] Derivatives Transactions Risk [Member] Potential Conflicts of Interest Risk [Member] Market Discount Risk [Member] Real Estate Joint Venture Risk [Member] Long-term Objective; Not a Complete Investment Program [Member] Recourse Financings Risk [Member] Valuation Risk [Member] Active Management Risk [Member] Selection Risk [Member] Cyber Security Risk [Member] Market Disruption and Geopolitical Risk [Member] Changes in Trade Negotiations Risk [Member] Regulatory Risk [Member] Deflation Risk [Member] Inflation Risk [Member] Loans of Portfolio Securities [Member] Legal, Tax and Regulatory Risks [Member] Investment Dilution Risk [Member] Anti-Takeover Provisions [Member] Asset-Backed and Mortgage-Backed Securities [Member] Legislation Risk [Member] Reliance on Service Providers Risk [Member] Misconduct of Employees and of Service Providers Risk [Member] Risk of Market Price Discount from NAV [Member]