CONSOLIDATED STATEMENT OF EQUITY (Parenthetical)	9 Months Ended
	Sep. 30, 2017 $ / shares
Common stock distributions and distributions payable, per share (in dollars per share)	$ 0.15
Series E Cumulative Redeemable Preferred Stock
Preferred stock dividends declared (in dollars per share)	1.303125
Series F Cumulative Redeemable Preferred Stock
Preferred stock dividends declared (in dollars per share)	$ 1.209375