COMMITTMENTS AND CONTINGENCIES, Fair Value Supply Agreement (Details) - Fair Value, Inputs, Level 3 $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Supply Agreement Liability - Current
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of January 1, 2016	$ 1,991
Payments	(1,500)
Transfer from long-term to current portion	161
Fair value at September 30, 2016	665
Supply Agreement - Long-term
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of January 1, 2016	161
Payments	0
Transfer from long-term to current portion	(161)
Fair value at September 30, 2016	0
Above Market Supply Agreement Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of January 1, 2016	931
Payments	0
Fair value at September 30, 2016	2,621
Selling, general and administrative | Supply Agreement Liability - Current
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Loss from increase in fair value	13
Selling, general and administrative | Supply Agreement - Long-term
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Loss from increase in fair value	0
Selling, general and administrative | Above Market Supply Agreement Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Loss from increase in fair value	1,009
Goodwill | Supply Agreement Liability - Current
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Other	0
Goodwill | Supply Agreement - Long-term
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Other	0
Goodwill | Above Market Supply Agreement Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Other	$ (681)