CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Unaudited (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Common stock, per share	$ 0.24	$ 0.18	$ 0.46	$ 0.34
Preferred stock Series H
Preferred stock, per share	637.50	637.50	637.5	637.5
Preferred stock Series I
Preferred stock, per share	414.06	$ 414.06	828.12	828.12
Preferred stock Series J
Preferred stock, per share			612.5	$ 612.5
Preferred Stock Series C
Preferred stock, per share	$ 15.00		$ 15