CONSOLIDATED STATEMENT OF EQUITY (Parenthetical)	6 Months Ended
	Jun. 30, 2018 $ / shares
Common stock distributions and distributions payable, per share (in dollars per share)	$ 0.10
Series E Cumulative Redeemable Preferred Stock
Preferred stock dividends and dividends payable (in dollars per share)	0.86875
Series F Cumulative Redeemable Preferred Stock
Preferred stock dividends and dividends payable (in dollars per share)	$ 0.80625