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COMMITTMENTS AND CONTINGENCIES - Fair Value Supply Agreement (Details) - Supply Commitments - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016
Accrued expenses and other short-term liabilities | Supply Agreement Liability Short-term |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance, Beginning of Period | $ 166 | $ 1,991
Payments | (166) | (1,500)
Transfer from long-term to current portion | 0 | 161
Balance, End of Period | 0 | 665
Accrued expenses and other short-term liabilities | Supply Agreement Liability Short-term | Selling, general and administrative |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Loss from increase in fair value | 0 | 13
Accrued expenses and other short-term liabilities | Supply Agreement Liability Short-term | Goodwill |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Other |  | 0
Accrued expenses and other short-term liabilities | Supply Agreement Liability Long-term |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance, Beginning of Period |  | 161
Transfer from long-term to current portion |  | (161)
Balance, End of Period |  | 0
Accrued expenses and other short-term liabilities | Supply Agreement Liability Long-term | Selling, general and administrative |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Loss from increase in fair value |  | 0
Accrued expenses and other short-term liabilities | Supply Agreement Liability Long-term | Goodwill |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Other |  | 0
Accrued expenses and other short-term liabilities | Above Market Supply Agreement Liability |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance, Beginning of Period | 0 |
Payments |  |
Transfer from long-term to current portion | 3,216 |
Balance, End of Period | 2,864 |
Accrued expenses and other short-term liabilities | Above Market Supply Agreement Liability | Selling, general and administrative |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Loss from increase in fair value | (352) |
Other Long-term Liabilities | Above Market Supply Agreement Liability |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance, Beginning of Period | 2,648 | 931
Payments | (415) | 0
Transfer from long-term to current portion | (3,216) | 0
Balance, End of Period | 57 | 2,621
Other Long-term Liabilities | Above Market Supply Agreement Liability | Selling, general and administrative |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Loss from increase in fair value | $ 1,040 | 1,009
Other Long-term Liabilities | Above Market Supply Agreement Liability | Goodwill |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Other |  | $ 681

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Other + References No definition available. + Details
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