Series D 8% Cumulative, Compounding Exchangeable Preferred Stock (Detail Textuals) (USD $)
9 Months Ended
Sep. 30, 2012
Directors
Class of Stock [Line Items]  
Preferred Stock, shares authorized 5,000,000
Number of directors elected by holders of preferred stock 4
Total Number of directors 7
Preferred Series D
 
Class of Stock [Line Items]  
Preferred Stock, shares authorized 2,200,000
Preferred Stock, par value ( in dollars per share) 0.01
Preferred stock, shares outstanding 1,331,814
Dividend payable ( in dollars per share) 0.08
Maximum number of outstanding preferred shares required for voting as a single class 500,000
Preferred Stock | Preferred Series D
 
Class of Stock [Line Items]  
Series D preferred stock issued in satisfaction of accrued dividends (in shares) 106,545