EARNINGS (LOSS) 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
Net income/(loss), Basic	$ (12,336)	$ 6,585	$ (19,347)	$ 7,034
Net income/(loss), Diluted	(12,336)	6,585	(19,347)	7,034
Net income allocated to restricted stock, Basic			(19,347)	6,920
Net income allocated to restricted stock, Diluted			$ (19,347)	$ 6,920
Net income/(loss) allocated to common shares, Basic	(12,336)	6,478
Net income/(loss) allocated to common shares, Diluted	$ (12,336)	$ 6,480
Basic Weighted-Average Shares Outstanding	11,967	11,851	11,935	11,799
Dilutive effect of Notes, Diluted		306		153
Diluted Weighted-Average Shares Outstanding, Diluted	11,967	12,269	11,935	12,046
Earnings/(Loss) Per Share, Basic	$ (1.03)	$ 0.55	$ (1.62)	$ 0.59
Earnings/(Loss) Per Share, Diluted	$ (1.03)	$ 0.53	$ (1.62)	$ 0.57
Restricted Stock [Member]
Net income allocated to restricted stock, Basic		$ (107)
Net income allocated to restricted stock, Diluted		$ (105)
Net income/(loss) allocated to common shares, Basic				$ (114)
Net income/(loss) allocated to common shares, Diluted				$ (114)
Stock Options and Espp [Member]
Dilutive effect of stock options and ESPP		112		94