CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Unaudited (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Common stock, per share	$ 0.13	$ 0.13
Preferred stock Series I
Preferred stock, per share	414.06	414.06
Preferred stock Series J
Preferred stock, per share	$ 612.50	$ 612.50