SHARE BASED AND OTHER COMPENSATION - Summary of share-based compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expensed	$ 6,506	$ 9,000
Unrecognized share-based compensation costs	1,328	3,988
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expensed	317	2,158
Unrecognized share-based compensation costs	$ 100	$ 487
Weighted average amortization period remaining (in years)	1 year 6 months 18 days	11 days
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expensed	$ 6,189	$ 6,842
Unrecognized share-based compensation costs	$ 1,228	$ 3,501
Weighted average amortization period remaining (in years)	1 year 18 days	6 months