CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Unaudited (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Common stock, per share	$ 0.39	$ 0.39
Preferred stock Series H
Preferred stock, per share	637.5	637.5
Preferred stock Series I
Preferred stock, per share	1,242.18	1,242.18
Preferred stock Series J
Preferred stock, per share	$ 1,225	$ 1,225