Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	450,000,000	450,000,000
Common stock, shares issued	67,195,252	46,900,442
Common stock, shares outstanding	67,195,252	46,900,442
Series A Preferred Stock [Member]
Preferred stock, shares issued	3,450,000	3,450,000
Preferred stock, shares outstanding	3,450,000	3,450,000
Preferred stock, aggregate liquidation preference	$ 86,250,000	$ 86,250,000
Series B Preferred Stock [Member]
Preferred stock, shares issued	8,000,000
Preferred stock, shares outstanding	8,000,000
Preferred stock, aggregate liquidation preference	$ 200,000,000