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EARNINGS PER SHARE (Basic and Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Basic, numerator:
Net income	$ 4,888	$ 9,954
Effect of unvested restricted stock unit awards	(9)	(30)
Adjusted net income	$ 4,879	$ 9,924
Basic, denominator:
Weighted-average shares	25,570,415	25,642,871
Earnings per common share (in dollars per share)	$ 0.19	$ 0.39
Diluted, numerator:
Net income	$ 4,888	$ 9,954
Effect of unvested restricted stock unit awards	(9)	(29)
Adjusted net income	$ 4,879	$ 9,925
Diluted, denominator:
Weighted-average shares	25,570,415	25,642,871
Effect of dilutive securities	941,934	953,505
Adjusted weighted-average shares and assumed conversions	26,512,349	26,596,376
Earnings per common share (in dollars per share)	$ 0.18	$ 0.37

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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