v2.4.0.6
Common Stock (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Jul. 05, 2012
Feb. 21, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Shares of common stock, issued and sold   600,000,000 1,750,980
Common stock outstanding     28,987,013
Common Stock (Textual) [Abstract]      
Common stock, shares authorized 200,000,000    
Common stock issued and sold, price per share     $ 10.20
Gross proceeds in a private placement $ 17.9    
Options outstanding 38,134,900    
RSUs 1,032,304    
IPO [Member]
      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Price per share   18.00  
Aggregate of preferred stock converted into common stock   83,703,016  
10 Dollar per share [Member]
      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Repurchase and cancellation of common shares 100,000    
11 Dollar per share [Member]
      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Repurchase and cancellation of common shares 77,498    
One lakh shares [Member]
      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Price per share $ 10.00    
77498 Shares [Member]
      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Price per share $ 11.00