Consolidated Balance Sheet (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Consolidated Balance Sheets [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	1,840,000	1,840,000
Preferred stock, shares outstanding	1,840,000	1,840,000
Preferred stock, preference liquidation	$ 25.00	$ 25.00
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	43,460,616	43,310,272
Common stock, shares outstanding	43,460,616	43,310,272