Stock-Based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended
	Feb. 28, 2013	Mar. 31, 2013
Stock-Based Compensation (Textual) [Abstract]
Option granted to purchase shares of its common stock, Exercise price one		507,500
Option granted to purchase shares of its common stock, Exercise price two		284,292
Granted option share purchase price, per share Exercise price one		$ 8.21
Granted option share purchase price, per share Exercise price two		$ 8.18
Grant date fair value, Option grants during period		$ 2.8
Number of options, Options forfeited	408,000
Options expired unexercised or were forfeited, share price	$ 10.00
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of shares		4 years
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of shares		3 years
Restricted stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock grants during period		324,771
Grant date fair value, Total fair value		$ 2.4