CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)	3 Months Ended
	Mar. 31, 2016 $ / shares
Issuance of common stock dividends per share (in dollars per share)	$ 1.26
Common stock dividends and dividends payable, per share (in dollars per share)	0.05
Series D Cumulative Redeemable Preferred Stock
Preferred stock dividends declared (in dollars per share)	0.50
Series E Cumulative Redeemable Preferred Stock
Preferred stock dividends declared (in dollars per share)	$ 0.101354