EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Calculation of basic and diluted earnings per share
Net Income (Loss)	$ 2,082	$ (217)	$ 5,611	$ 6,155	$ 7,634	$ 3,350	$ (958)	$ 1,757	$ 13,631	$ 11,783	$ (22,567)
Basic weighted average common shares outstanding									129,049,168	128,070,702	115,708,859
Add: Dilutive effect restricted common stock									1,215,000	1,982,000
Add: Dilutive effect of stock options oustanding									787,000	933,000
Diluted weighted average common shares outstanding									131,050,920	130,985,919	115,708,859
Earnings per share:
Basic									$ 0.11	$ 0.09	$ (0.20)
Diluted									$ 0.10	$ 0.09	$ (0.20)
Restricted Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares									495,000	0	3,328,000
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares									1,649,000	1,452,000	1,711,000
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares									0	0	63,000