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SUMMARY OF SIGNIFICANT EVENTS AND ACCOUNTING POLICIES (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Basis of Presentation and Principles of Consolidation
Number of operating segments | segment				1
Allowance for doubtful accounts		$ 200		$ 200		$ 100
Restructuring
Severance Costs			$ 700		$ 11,900
Restructuring		$ 2,162	$ 654	$ 2,580	$ 11,925
Reduction of discretionary cash incentives	$ 1,600

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Amount of allowance for credit loss on accounts receivable.

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