EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic [Abstract]
Net income	$ 15,160	$ 7,083
Weighted average common shares outstanding - basic (in shares)	18,069,186	18,043,105
Effect of dilutive securities [Abstract]
Stock-based compensation awards (in shares)	441,934	418,817
Weighted average common shares outstanding - diluted (in shares)	18,511,120	18,461,922
Basic earnings per share (in dollars per share)	$ 0.84	$ 0.39
Diluted earnings per share (in dollars per share)	$ 0.82	$ 0.38