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Additional Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
FX gains (losses)	$ 4,234	$ 31	$ (478)
PIK Note impairment	0	0	(84,314)
Litigation settlement	0	0	4,495
Remeasurement gain (loss) on financial instrument	0	0	3,849
Income from Tax credit, Investments and Government refunds	1,597	1,039	519
Income from sale of intangible assets	3,477	5,518	0
Others	227	801	1,012
Total	9,535	$ 7,389	$ (74,917)
Legal settlement	4,200
IP settlement from third parties	$ 300

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Reflects the amount of the write-down related to a troubled debt restructuring.

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