EARNINGS PER SHARE - Schedule of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Net income	$ 16,924	$ 12,805	$ 8,090
Weighted average shares outstanding - basic (in shares)	10,362	8,360	8,070
Dilutive effect of share-based compensation (in shares)	152	177	156
Weighted average shares outstanding - diluted (in shares)	10,514	8,537	8,226
Per share information:
Basic earnings per share (in dollars per share)	$ 1.63	$ 1.53	$ 1.00
Diluted earnings per share (in dollars per share)	$ 1.61	$ 1.50	$ 0.98