CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2017	Mar. 31, 2017
Dividend declared common share, per share	$ 0.15	$ 0.15
Series A Preferred Stock
Dividend declared, per preferred share	0.539063	0.539063
Series B Preferred Stock
Dividend declared, per preferred share	0.390625	0.396025
Series C Preferred Stock
Dividend declared, per preferred share	$ 0.4765625	$ 0.4765625