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EARNINGS PER COMMON SHARE - Additional Information (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Stock Option        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Stock excluded from computation of earnings per share 324,500 683,054 627,514 558,054