INCOME TAXES INCOME TAXES - Changes in Valuation Allowance (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Valuation Allowance [Roll Forward] | ||
| Valuation allowance at beginning of period | $ 8,675 | $ 0 |
| Increase to valuation allowance attributable to: | ||
| Current year loss | 16,111 | 8,675 |
| Valuation allowance at end of period | $ 24,786 | $ 8,675 |