LONG-TERM DEBT - Narrative (Details) - USD ($) |
Sep. 20, 2016 |
Sep. 24, 2015 |
Sep. 30, 2016 |
Sep. 19, 2016 |
Dec. 31, 2015 |
|---|---|---|---|---|---|
| Debt Instrument [Line Items] | |||||
| Unamortized discount and issuance cost | $ 4,600,000 | ||||
| Warrants issued during period | $ 3,600,000 | ||||
| Exit fee | 500,000 | ||||
| Cash paid to extinguish debt | 400,000 | ||||
| Loans Payable | |||||
| Debt Instrument [Line Items] | |||||
| Original principal amount | 35,500,000.0 | $ 27,500,000.0 | $ 35,500,000 | $ 27,500,000 | |
| Additional principal amount | $ 8,000,000.0 | ||||
| Interest rate floor of variable rate | 1.00% | ||||
| Effective interest rate | 11.00% | ||||
| Exit fee | $ 2,500,000 | $ 2,000,000 | |||
| LIBOR | Loans Payable | |||||
| Debt Instrument [Line Items] | |||||
| Basis spread on variable rate | 10.00% | 10.00% |