Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v2.4.0.6
Subsequent Events (Details) (USD $)
 1 Months Ended
Oct. 31, 2012
Oct. 10, 2012
Subsequent Event A [Member]
    
Monthly distributions declared by Company's Board of Directors    
Record Date Oct. 22, 2012  
Payment Date Oct. 31, 2012  
Subsequent Event A [Member] | Common Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.125
Subsequent Event A [Member] | Senior Common Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Payment Date Nov. 07, 2012  
Distribution per Share   $ 0.0875
Payable to the Holders or Records During the Month   October
Subsequent Event A [Member] | Series A Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.1614583
Subsequent Event A [Member] | Series B Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.15625
Subsequent Event A [Member] | Series C Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.1484375
Subsequent Event B [Member]
    
Monthly distributions declared by Company's Board of Directors    
Record Date Nov. 19, 2012  
Payment Date Nov. 30, 2012  
Subsequent Event B [Member] | Common Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.125
Subsequent Event B [Member] | Senior Common Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Payment Date Dec. 07, 2012  
Distribution per Share   $ 0.0875
Payable to the Holders or Records During the Month   November
Subsequent Event B [Member] | Series A Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.1614583
Subsequent Event B [Member] | Series B Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.15625
Subsequent Event B [Member] | Series C Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.1484375
Subsequent Event C [Member]
    
Monthly distributions declared by Company's Board of Directors    
Record Date Dec. 19, 2012  
Payment Date Dec. 31, 2012  
Subsequent Event C [Member] | Common Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.125
Subsequent Event C [Member] | Senior Common Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Payment Date Jan. 08, 2013  
Distribution per Share   $ 0.0875
Payable to the Holders or Records During the Month   December
Subsequent Event C [Member] | Series A Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.1614583
Subsequent Event C [Member] | Series B Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.15625
Subsequent Event C [Member] | Series C Preferred Stock [Member]
    
Monthly distributions declared by Company's Board of Directors    
Distribution per Share   $ 0.1484375