CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Common stock, per share (in dollars per share)	$ 0.35	$ 0.33	$ 1.01	$ 0.93
Series H Preferred Stock
Preferred stock, per share (in dollars per share)	547.63		1,185.13	637.50
Series I Preferred Stock
Preferred stock, per share (in dollars per share)	414.06	414.06	1,242.18	1,242.18
Series J Preferred Stock
Preferred stock, per share (in dollars per share)	553.61	343.62	1,570.07	814.49
Series K Preferred Stock
Preferred stock, per share (in dollars per share)	309.38	309.38	928.13	928.13
Series L Preferred Stock
Preferred stock, per share (in dollars per share)	281.25	281.25	843.75	843.75
Class B, Series A Preferred Stock
Preferred stock, per share (in dollars per share)	$ 15.00	$ 15.00	$ 45.00	$ 45.00