Subsequent Events (Details) (Subsequent Event, USD $)	0 Months Ended
	Apr. 29, 2015	Apr. 29, 2015 series
Subsequent Event [Line Items]
Share purchase price (usd per share)	$ 5.05	$ 5.05
Preferred Stock
Subsequent Event [Line Items]
Value of shares authorized for transaction	$ 150,000,000	$ 150,000,000
Preferred stock, dividend rate	7.00%
Number of series stock will be issued in	2	2
Series one, maximum conversion percent of outstanding common stock	19.90%	19.90%
Conversion price (usd per share)	$ 5.00	$ 5.00
Series two, maximum conversion percent of outstanding common stock	2.00%	2.00%