BASIS OF PRESENTATION AND ORGANIZATION (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jan. 01, 2017 |
|
| Organization Consolidation And Presentation Of Financial Statements Abstract | |||||
| CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 5,112 | ||||
| NewAccountingPronouncementOrChangeInAccountingPrincipleRetrospectiveAdjustmentsAbstract | |||||
| USTN Cash Payment Deferred | $ 3,200 | ||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||
| Sales Revenue, Net | $ 372,124 | $ 124,970 | 672,684 | $ 223,971 | |
| Operating Costs and Expenses | $ 275,839 | $ 91,004 | $ 531,563 | $ 168,170 | |