CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019
Common stock distributions and distributions payable, per share (in dollars per share)			$ 0.05	$ 0.05	$ 0.05	$ 0.05
Series E Cumulative Redeemable Preferred Stock
Preferred stock dividends and dividends payable (in dollars per share)	$ 0.434375	$ 0.434375	0.434375	0.434375	0.434375	0.434375
Series F Cumulative Redeemable Preferred Stock
Preferred stock dividends and dividends payable (in dollars per share)	$ 0.403125	$ 0.403125	$ 0.403125	$ 0.403125	$ 0.403125	$ 0.403125