EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Dec. 31, 2017	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
EMPLOYEE BENEFIT PLANS [Abstract]
Company match to employee contributions		50.00%			50.00%
Percentage of deferred salary which is matched		4.00%			4.00%
Company contribution to the 401(K) plan	$ 0.2	$ 0.4	$ 0.2	$ 0.4	$ 2.6

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration