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Background and Basis of Presentation - Other Income (Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Loss on early extinguishment of debt	$ 0	$ (3,315)	$ (78,152)	$ (3,315)
Loss on change in fair value of derivative instruments, net	0	0	(7,148)	0
Gain on sale of strategic equity investments	7,158	0	12,496	0
Interest income	1,485	2,539	5,385	10,588
Other	27	(28)	801	123
Total other income (expense), net	$ 8,670	$ (804)	$ (66,618)	$ 7,396

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Section 50
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Amount of gain (loss) on sale or disposal of an equity method investment.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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