XML 78 R58.htm IDEA: XBRL DOCUMENT v3.3.0.814
Distributions Paid and Payable (Details)
$ / shares in Units, $ in Millions
1 Months Ended 9 Months Ended
Sep. 30, 2015
$ / shares
Aug. 31, 2015
$ / shares
Jul. 31, 2015
$ / shares
Jun. 30, 2015
$ / shares
May. 31, 2015
$ / shares
Apr. 30, 2015
$ / shares
Mar. 31, 2015
$ / shares
Feb. 28, 2015
$ / shares
Jan. 31, 2015
$ / shares
Sep. 30, 2014
$ / shares
Aug. 31, 2014
$ / shares
Jul. 31, 2014
$ / shares
Jun. 30, 2014
$ / shares
May. 31, 2014
$ / shares
Apr. 30, 2014
$ / shares
Mar. 31, 2014
$ / shares
Feb. 28, 2014
$ / shares
Jan. 31, 2014
$ / shares
Sep. 30, 2015
USD ($)
item
$ / shares
Sep. 30, 2014
USD ($)
item
$ / shares
Oct. 31, 2014
$ / shares
Common stock                                          
Issuance of common stock                                          
Dividends paid per common share (in dollars per share) $ 0.1900000 $ 0.1900000 $ 0.1900000 $ 0.1895000 $ 0.1895000 $ 0.1895000 $ 0.1890000 $ 0.1890000 $ 0.1834167 $ 0.1827917 $ 0.1827917 $ 0.1827917 $ 0.1824792 $ 0.1824792 $ 0.1824792 $ 0.1821667 $ 0.1821667 $ 0.1821667 $ 1.6999167 $ 1.6423128  
Monthly distributions payable (in dollars per share) 0.1905                                   $ 0.1905    
Class E Cumulative Redeemable Preferred Stock                                          
Issuance of common stock                                          
Cumulative distribution rate (as percent)                   6.75%                      
Monthly distributions payable (in dollars per share)                                         $ 0.140625
Period for which dividends are paid | item                                       6  
Dividends paid per preferred share (in dollars per share)                                       $ 1.265625  
Preferred stock dividends paid | $                                       $ 11.1  
Class F Cumulative Redeemable Preferred Stock                                          
Issuance of common stock                                          
Cumulative distribution rate (as percent)                                     6.625%    
Liquidation preference (in dollars per share) 25.00                                   $ 25.00    
Liquidation preference amount equivalent to rate (in dollars per share)                                     1.65625    
Monthly distributions payable (in dollars per share) $ 0.138021                                   $ 0.138021    
Period for which dividends are paid | item                                     9 9  
Dividends paid per preferred share (in dollars per share)                                     $ 1.242189 $ 1.242189  
Preferred stock dividends paid | $                                     $ 20.3 $ 20.3