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EARNINGS PER SHARE - Calculation of Basic and Diluted Earnings per Share(Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Earnings Per Share [Abstract]    
Net income $ 2,002 $ 2,580
Weighted average shares outstanding - basic 8,060 8,071
Dilutive effect of share-based compensation (in shares) 138 68
Weighted average shares outstanding - diluted 8,198 8,139
Per share information:    
Basic earnings per share (usd per share) $ 0.25 $ 0.32
Diluted earnings per share (usd per share) $ 0.24 $ 0.32