INCOME TAXES (Additional Information) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Oct. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Valuation allowance		$ 11,339	$ (4,459)	$ (10,466)
Tax benefit from analysis of certain federal manufacturing and research and development credit benefits				3,300
Additional tax credit from analysis of certain federal manufacturing and research and development credit benefits	$ 7,100
Tax credits		(2,039)	50	9,799
Tax benefits related to tax deductible foreign currency losses		1,300		5,000
Unrecognized tax benefits from transfer pricing adjustment		3,100	3,100
Unrecognized tax benefits, transfer pricing adjustments, offsetting benefit		3,100
Unrecognized tax benefits, income tax penalties and interest accrued		$ 2,100	$ 1,700	$ 800