CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Common stock, per share (in dollars per share)	$ 0.33	$ 0.30	$ 0.93	$ 0.84
Series H Preferred Stock
Preferred stock, per share (in dollars per share)			637.50	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)	343.62	209.30	814.49	631.24
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