Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Net Loss Attributable to Parent	$ (12,949)	$ (12,503)	$ (37,370)	$ (7,390)
Undistributed Earnings, Basic	0	0	0	0
Undistributed Earnings, Diluted	0	0	0	0
Dividends	6,258	6,149	12,513	6,149
Dividends attributable to common stockholders under the two class method	6,053	6,014	12,102	6,014
Net loss available to common stockholders, basic	(13,154)	(12,638)	(37,781)	(7,525)
Net loss available to common stockholders, diluted	$ (13,154)	$ (12,638)	$ (37,781)	$ (7,525)
Weighted-average common shares outstanding - basic	48,543,334	48,008,998	48,436,946	47,934,810
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0	0	0
Weighted-average common shares outstanding - diluted	48,543,334	48,008,998	48,436,946	47,934,810
Basic earnings (loss) per share	$ (0.27)	$ (0.26)	$ (0.78)	$ (0.16)
Diluted earnings (loss) per share	$ (0.27)	$ (0.26)	$ (0.78)	$ (0.16)