CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Unaudited (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Common stock, per share	$ 0.18	$ 0.16	$ 0.52	$ 0.44
Preferred stock Series H
Preferred stock, per share			637.5	637.5
Preferred stock Series I
Preferred stock, per share	414.06	414.06	1,242.18	1,242.18
Preferred stock Series J
Preferred stock, per share	$ 612.5	$ 612.5	$ 1,225	$ 1,225