CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Unaudited (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Common stock, per share	$ 0.27	$ 0.22
Preferred stock Series I
Preferred stock, per share	414.06	414.06
Preferred stock, Series J
Preferred stock, per share	320.55	$ 612.50
Class B Preferred stock, Series A
Preferred stock, per share	15.00
Preferred Stock, Series K
Preferred stock, per share	$ 309.38