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EARNINGS PER SHARE - Additional Information (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Stock options and time-vesting RSUs        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Shares excluded from the calculation of earnings per share 1,579,683 787,527 1,660,683 1,926,724