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FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value
The Company’s assets and liabilities measured at fair value on a recurring basis:
December 31, 2020December 31, 2019
(in thousands)Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Cash equivalents$42,339 $14,000 $— $56,339 $— $— $— $— 
Marketable securities $— $293,269 $— $293,269 $— $— $— $— 
Capped Call Transactions (1) (2)
$— $83,597 $— $83,597 $— $— $— $— 
Venture investments (1) (3)
$— $— $8,345 $8,345 $— $— $4,871 $4,871 
(1) Included in other long-term assets.
(2) See "Note 10. Debt" for additional information.
(3) Investments in privately-held companies.
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Change in venture investments:
(in thousands)20202019
January 1,$4,871 $3,390 
New investments3,306 1,444 
Sales of investments(1,424)— 
Changes in foreign exchange rates118 37 
Fair value adjustment1,474 — 
December 31,$8,345 $4,871