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EARNINGS PER COMMON SHARE - Additional Information (Detail) - shares
3 Months Ended
Mar. 31, 2019
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) 180,304 1,288
Stock Option    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Stock excluded from computation of earnings per share (in shares) 16,165 0