BASIS OF PRESENTATION AND ORGANIZATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019
Organization Consolidation And Presentation Of Financial Statements Abstract
CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption			$ 4,719
NewAccountingPronouncementOrChangeInAccountingPrincipleRetrospectiveAdjustmentsAbstract
Cumulative Effect Adj - Modified Retrospective - Net Impact on Accumulated Deficit	$ 4,700
Cumulative Effect Adj - Modified Retrospective - Tax Impact on Accum Deficit			$ 1,700
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating Costs and Expenses	$ 248,985	$ 255,725