EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net income	$ 10,927	$ 13,023
Denominator:
Weighted average basic shares (in shares)	51,086,316	38,873,585
Dilutive potential common shares (in shares)	78,000	410,000
Weighted average fully diluted shares (in shares)	51,164,224	39,284,057
Earnings per share:
Basic (in dollars per share)	$ 0.21	$ 0.34
Diluted (in dollars per share)	$ 0.21	$ 0.33
Outstanding common stock equivalents having no dilutive effect (in shares)	10,000	39,000