SIGNIFICANT CUSTOMERS AND GEOGRAPHIC NET REVENUES Geographic Net Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue by Geography
Total net revenues	$ 183,986	$ 180,110	$ 366,135	$ 353,847
United States of America
Revenue by Geography
Total net revenues	7,569	3,819	14,476	7,919
Hong Kong/China
Revenue by Geography
Total net revenues	96,760	122,123	202,001	240,853
Taiwan
Revenue by Geography
Total net revenues	5,848	6,361	11,106	12,803
Korea
Revenue by Geography
Total net revenues	18,563	13,705	37,226	26,194
Western Europe (excluding Germany)
Revenue by Geography
Total net revenues	8,129	8,720	16,374	15,850
Japan
Revenue by Geography
Total net revenues	10,160	5,152	18,209	9,799
Germany
Revenue by Geography
Total net revenues	14,460	7,656	25,943	14,662
Other
Revenue by Geography
Total net revenues	$ 22,497	$ 12,574	$ 40,800	$ 25,767