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SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION - Schedule of Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Supplemental Consolidated Balance Sheet & Statement of Operations Information [Abstract]
Interest income	$ 1,155	$ 2,556
Interest expense	(5,116)	(6,958)
Foreign currency gains (losses), net	22,084	(6,496)
Impairment and other changes in fair value of investments	0	(8,089)
Other income (expense), net	18,123	(18,987)
Foreign currency translation adjustments reclassified into earnings	$ (32,228)	$ 0

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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