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SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Other Nonoperating Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest income	$ 12	$ 14	$ 24	$ 25
Change in value of investments accounted for at fair value	(13,419)	(435)	(16,837)	1,021
Change in value of warrant liabilities	0	(3,546)	0	(7,050)
Foreign exchange gain	2,345	659	1,132	320
Other	(282)	873	(171)	1,202
Other loss	$ (11,344)	$ (2,435)	$ (15,852)	$ (4,482)

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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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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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Amount of income (expense) related to nonoperating activities, classified as other.

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