BASIS OF PRESENTATION AND ORGANIZATION (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||||||||||||
| Sales Revenue, Net | $ 246,614 | $ 122,299 | $ 124,970 | $ 99,001 | $ 124,550 | $ 121,641 | $ 121,571 | $ 97,009 | $ 118,614 | $ 115,536 | $ 101,322 | $ 79,009 | $ 592,884 | $ 464,771 | $ 414,481 |
| Operating Costs and Expenses | 77,166 | 82,828 | 84,089 | 83,732 | 72,621 | 78,013 | 82,115 | 70,730 | 59,956 | $ 443,512 | 323,270 | 290,814 | |||
| As Previously Reported [Member] | |||||||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||||||||||||
| Sales Revenue, Net | 97,452 | 123,207 | 120,457 | 120,478 | 96,103 | 117,704 | 114,662 | 100,592 | 78,420 | 460,245 | 411,378 | ||||
| Operating Costs and Expenses | 75,617 | 81,485 | 82,905 | 82,639 | 71,715 | 77,103 | 81,241 | 70,000 | 59,367 | 318,744 | 287,711 | ||||
| Adjustment [Member] | |||||||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||||||||||||
| Sales Revenue, Net | 1,549 | 1,343 | 1,184 | 1,093 | 906 | 910 | 874 | 730 | 589 | 4,526 | 3,103 | ||||
| Operating Costs and Expenses | $ 1,549 | $ 1,343 | $ 1,184 | $ 1,093 | $ 906 | $ 910 | $ 874 | $ 730 | $ 589 | $ 4,526 | $ 3,103 | ||||