SIGNIFICANT CUSTOMERS AND GEOGRAPHIC NET REVENUES Geographic Net Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Revenue by Geography
Total net revenues	$ 182,149	$ 173,737
United States of America
Revenue by Geography
Total net revenues	6,906	4,100
Hong Kong/China
Revenue by Geography
Total net revenues	105,240	118,730
Taiwan
Revenue by Geography
Total net revenues	5,257	6,442
Korea
Revenue by Geography
Total net revenues	18,664	12,489
Western Europe (excluding Germany)
Revenue by Geography
Total net revenues	8,245	7,130
Japan
Revenue by Geography
Total net revenues	8,049	4,647
Germany
Revenue by Geography
Total net revenues	11,484	7,006
Other
Revenue by Geography
Total net revenues	$ 18,304	$ 13,193

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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