COMMITMENTS AND CONTINGENCIES - ADDITIONAL INFORMATION (Details)		3 Months Ended	12 Months Ended
	Jan. 11, 2018	Mar. 31, 2014 USD ($)	Dec. 31, 2019 USD ($)	Apr. 29, 2019 stockholder	Jun. 07, 2018 lawsuits distributors
Loss Contingencies [Line Items]
Employment agreement terms, minimum period of employment	8 years
Number of class action suits | lawsuits					2
Number of distributors | distributors					3
Number of stockholders who filed derivative actions | stockholder				2
Worthless stock deduction		$ 546,000,000.0
IRS | Tax Year 2012
Loss Contingencies [Line Items]
Liability (refund) from income tax examination			$ (4,700,000)
IRS | Tax Year 2013
Loss Contingencies [Line Items]
Liability (refund) from income tax examination			0
IRS | Tax Year 2014
Loss Contingencies [Line Items]
Penalties expense			17,100,000
Swedish Tax Agency
Loss Contingencies [Line Items]
Possible tax expense			$ 41,000,000.0