COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions |
Sep. 30, 2016
USD ($)
executive_officer
multiple
|
Dec. 31, 2015
USD ($)
|
|---|---|---|
| Loss Contingencies [Line Items] | ||
| Purchase commitments for inventory | $ | $ 5.7 | $ 9.0 |
| Commitment With Executive Officers [Member] | ||
| Loss Contingencies [Line Items] | ||
| Number of executive officers under agreement | executive_officer | 7 | |
| Multiple of sum of average annual base salary and bonus agreement terms | multiple | 2 |