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FINANCIAL STATEMENT DETAILS - Other (Expense) Income, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Condensed Statements of Operations      
Other income (expense), net $ 10,241 $ 93 $ (6,441)
Gain on sale of investments     2,000
Disposal Group, Held-for-sale, Not Discontinued Operations | Hardware Business      
Condensed Statements of Operations      
Gain (loss) on sale of business $ 10,200   $ (8,200)