CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2019
Common stock, dividend per share paid (in dollars per share)	$ 0.02	$ 0.21	$ 0.21	$ 0.21
Distributions paid to Operating Partnership unit holders	0.02	0.21	0.21	0.21
Preferred shares, par value (in dollars per share)	0.01	0.01	0.01	0.01
Common stock, par value (in dollars per share)	1.00	1.00	1.00	1.00	$ 1.00
Series B Preferred Stock
Preferred stock, dividends per share paid (in dollars per share)	0.4609	0.4609	0.4609	0.4609
Preferred shares, par value (in dollars per share)	0.01	0.01	0.01	0.01	0.01
Series C Preferred Stock
Preferred stock, dividends per share paid (in dollars per share)	0.45	0.45	0.4500	0.4500
Preferred shares, par value (in dollars per share)	0.01	0.01	0.01	0.01	0.01
Series D Preferred Stock
Preferred stock, dividends per share paid (in dollars per share)	0.4297	0.4297	0.4297	0.4297
Preferred shares, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01