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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jun. 30, 2022
Fair Value Disclosures [Abstract]  
Assets and liabilities measured at fair value
Assets and liabilities measured at fair value on a recurring basis:
June 30, 2022December 31, 2021
(in thousands)Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Cash equivalents$1,127 $— $— $1,127 $3,216 $— $— $3,216 
Marketable securities $— $187,613 $— $187,613 $— $202,814 $— $202,814 
Capped Call Transactions (1)
$— $10,459 $— $10,459 $— $59,964 $— $59,964 
Venture investments (1) (2)
$— $— $16,073 $16,073 $— $— $7,648 $7,648 
(1) Included in other long-term assets. (2) Investments in privately-held companies.
Fair value, assets measured on recurring basis, unobservable input reconciliation Changes in venture investments:
Six Months Ended
June 30,
(in thousands)20222021
January 1,$7,648 $8,345 
New investments400 500 
Sales of investments(165)(400)
Changes in foreign exchange rates(290)14 
Changes in fair value:
included in other income5,978 100 
included in other comprehensive income2,502 1,220 
June 30,$16,073 $9,779