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EARNINGS PER COMMON SHARE - Additional Information (Detail) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Stock Units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Stock excluded from computation of earnings per share (in shares) 17,495 99,287 279,249 106,361
Stock Option        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Stock excluded from computation of earnings per share (in shares) 0 120,000 0 199,121