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EARNINGS PER SHARE - Calculation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 6,359	$ 2,687	$ 11,427	$ 5,789
Weighted average shares outstanding - basic (in shares)	10,916	10,348	10,937	9,757
Dilutive effect of share-based compensation (in shares)	77	166	90	166
Weighted average shares outstanding - diluted (in shares)	10,993	10,514	11,027	9,923
Per share information:
Basic earnings per share (in usd per share)	$ 0.58	$ 0.26	$ 1.04	$ 0.59
Diluted earnings per share (in usd per share)	$ 0.58	$ 0.26	$ 1.04	$ 0.58

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