Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v2.4.0.6
Subsequent Events (Details) (USD $)
1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended
Apr. 09, 2013
Common Stock [Member]
Mar. 31, 2013
Senior Common Stock Distributions [Member]
Apr. 09, 2013
Series A Preferred Stock [Member]
Apr. 09, 2013
Series B Preferred Stock [Member]
Apr. 09, 2013
Series C Preferred Stock [Member]
Apr. 30, 2013
Subsequent Event A [Member]
Apr. 09, 2013
Subsequent Event A [Member]
Common Stock [Member]
Apr. 30, 2013
Subsequent Event A [Member]
Senior Common Stock Distributions [Member]
Apr. 09, 2013
Subsequent Event A [Member]
Senior Common Stock Distributions [Member]
Apr. 09, 2013
Subsequent Event A [Member]
Series A Preferred Stock [Member]
Apr. 09, 2013
Subsequent Event A [Member]
Series B Preferred Stock [Member]
Apr. 09, 2013
Subsequent Event A [Member]
Series C Preferred Stock [Member]
Apr. 30, 2013
Subsequent Event B [Member]
Apr. 09, 2013
Subsequent Event B [Member]
Common Stock [Member]
Apr. 30, 2013
Subsequent Event B [Member]
Senior Common Stock Distributions [Member]
Apr. 09, 2013
Subsequent Event B [Member]
Senior Common Stock Distributions [Member]
Apr. 09, 2013
Subsequent Event B [Member]
Series A Preferred Stock [Member]
Apr. 09, 2013
Subsequent Event B [Member]
Series B Preferred Stock [Member]
Apr. 09, 2013
Subsequent Event B [Member]
Series C Preferred Stock [Member]
Apr. 30, 2013
Subsequent Event C [Member]
Apr. 09, 2013
Subsequent Event C [Member]
Common Stock [Member]
Apr. 30, 2013
Subsequent Event C [Member]
Senior Common Stock Distributions [Member]
Apr. 09, 2013
Subsequent Event C [Member]
Senior Common Stock Distributions [Member]
Apr. 09, 2013
Subsequent Event C [Member]
Series A Preferred Stock [Member]
Apr. 09, 2013
Subsequent Event C [Member]
Series B Preferred Stock [Member]
Apr. 09, 2013
Subsequent Event C [Member]
Series C Preferred Stock [Member]
Monthly distributions declared by Company's Board of Directors                                                    
Record Date           Apr. 22, 2013             May 20, 2013             Jun. 19, 2013            
Payment Date           Apr. 30, 2013   May 07, 2013         May 31, 2013   Jun. 07, 2013         Jun. 28, 2013   Jul. 08, 2013        
Distribution per Share $ 0.375 $ 0.2625 $ 0.4843749 $ 0.46875 $ 0.4453125   $ 0.125   $ 0.0875 $ 0.1614583 $ 0.15625 $ 0.1484375   $ 0.125   $ 0.0875 $ 0.1614583 $ 0.15625 $ 0.1484375   $ 0.125   $ 0.0875 $ 0.1614583 $ 0.15625 $ 0.1484375
Payable to the Holders of Records During the Month of:                 April             May             June