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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands				3 Months Ended			9 Months Ended
	Jul. 14, 2020 USD ($)	Jun. 26, 2020 USD ($)	Apr. 22, 2019 USD ($) case	Sep. 30, 2020 USD ($) segment case	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment case	Jun. 25, 2020 USD ($)	Dec. 31, 2019 USD ($)	May 29, 2019 USD ($) installment	Dec. 31, 2016
Loss Contingencies [Line Items]
Ongoing lawsuits | case			6	6			6
Damages awarded from other party			$ 63,000
Cash payments from settlement	$ 16,750			$ 9,500	$ 37,500	$ 37,500
Annual installment receivable		$ 16,750						$ 17,000	$ 25,500	$ 25,500
Number of installments | installment										3
Installment payments interest rate (as a percentage)										4.00%
Reduction to annual installment receivable		$ 250
Sale of stock grant interest (as a percentage)											100.00%
Maximum future royalty commitment				7,600			$ 7,600
Maximum future royalty commitment				54,600			54,600
Maximum future royalty commitment, interest				$ 2,500			$ 2,500
Litigation Case, Plaintiff
Loss Contingencies [Line Items]
Ongoing lawsuits | segment				5			5
Litigation Case, Counterclaim Defendant
Loss Contingencies [Line Items]
Ongoing lawsuits | segment				3			3
Minimum
Loss Contingencies [Line Items]
Royalties rates (as a percentage)											1.30%
Maximum
Loss Contingencies [Line Items]
Royalties rates (as a percentage)											5.00%
LIBOR | Minimum
Loss Contingencies [Line Items]
Basis spread on variable rate							1.50%
LIBOR | Maximum
Loss Contingencies [Line Items]
Basis spread on variable rate							2.75%
Other Current Assets
Loss Contingencies [Line Items]
Annual installment receivable									8,500
Other Assets
Loss Contingencies [Line Items]
Annual installment receivable									$ 17,000

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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