CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Dec. 31, 2020
Common stock, dividend per share paid (in dollars per share)		$ 0.02	$ 0.21
Distributions paid to Operating Partnership unit holders	$ 0.02	0.02	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
Preferred shares, par value (in dollars per share)		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
Preferred shares, par value (in dollars per share)		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
Preferred shares, par value (in dollars per share)		$ 0.01	$ 0.01	$ 0.01	$ 0.01