Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional Information (Detail)

v2.4.0.8
Stock-Based Compensation - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Stock Based Compensation (Textual) [Abstract]        
Stock options granted, exercisable life     5 years  
Stock options vesting period     2 years  
Stock options, authorized 4,284,693   4,284,693  
Non-cash compensation expense $ 600,000 $ 800,000 $ 2,057,000 $ 2,238,000
Tax benefits related to stock based compensation     0  
Unrecognized compensation costs $ 4,200,000   $ 4,200,000  
Compensation costs expected to be recognized     2 years 8 months 12 days  
Restricted stocks granted     99,468  
Restricted Stock
       
Stock Based Compensation (Textual) [Abstract]        
Stock options granted, exercisable life     3 years  
Restricted stocks granted 0