XML 70 R59.htm IDEA: XBRL DOCUMENT v3.8.0.1
Distributions Paid and Payable (Details)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2017
$ / shares
Aug. 31, 2017
$ / shares
Jul. 31, 2017
$ / shares
Jun. 30, 2017
$ / shares
May 31, 2017
$ / shares
Apr. 30, 2017
USD ($)
$ / shares
shares
Mar. 31, 2017
$ / shares
Feb. 28, 2017
$ / shares
Jan. 31, 2017
$ / shares
Sep. 30, 2016
$ / shares
Aug. 31, 2016
$ / shares
Jul. 31, 2016
$ / shares
Jun. 30, 2016
$ / shares
May 31, 2016
$ / shares
Apr. 30, 2016
$ / shares
Mar. 31, 2016
$ / shares
Feb. 29, 2016
$ / shares
Jan. 31, 2016
$ / shares
Mar. 31, 2017
USD ($)
item
$ / shares
Sep. 30, 2017
$ / shares
Sep. 30, 2016
USD ($)
item
$ / shares
Common stock                                          
Distributions Paid and Payable - Common Stock                                          
Dividends paid per common share (in dollars per share) $ 0.2115000 $ 0.2115000 $ 0.2115000 $ 0.2110000 $ 0.2110000 $ 0.2110000 $ 0.2105000 $ 0.2105000 $ 0.2025000 $ 0.2015000 $ 0.1995000 $ 0.1995000 $ 0.1990000 $ 0.1990000 $ 0.1990000 $ 0.1985000 $ 0.1985000 $ 0.1910000   $ 1.8910000 $ 1.7855000
Monthly distributions payable (in dollars per share) $ 0.212                                     $ 0.212  
Class F Preferred Stock                                          
Distributions Paid and Payable - Common Stock                                          
Preferred stock redeemed (in shares) | shares           16,350,000                              
Number of monthly distributions paid | item                                     3   9
Dividends paid per preferred share (in dollars per share)           $ 0.101215                         $ 0.414063   $ 1.242189
Preferred stock dividends paid | $           $ 1.7                         $ 3.9   $ 20.3