v2.4.0.8
Earnings Per Share - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Stock Options
       
Computation Of Earnings Per Share Line Items        
Anti-dilutive shares excluded from the computation of diluted earnings per share 87,000 139,000 87,000 139,000
Restricted Stock
       
Computation Of Earnings Per Share Line Items        
Anti-dilutive shares excluded from the computation of diluted earnings per share 379,657 374,497 379,657 374,497