v2.4.0.8
Earnings Per Share - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Stock Options
       
Computation Of Earnings Per Share Line Items        
Anti-dilutive shares excluded from the computation of diluted earnings per share 87,000 107,000 87,000 107,000
Restricted Stock
       
Computation Of Earnings Per Share Line Items        
Anti-dilutive shares excluded from the computation of diluted earnings per share 379,657 357,593 379,657 357,593