FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value

The Company’s assets and liabilities measured at fair value on a recurring basis:

	September 30, 2020								December 31, 2019
(in thousands)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Cash equivalents (1)	$	212,917	$	—	$	—	$	212,917	$	—	$	—	$	—	$	—
Marketable securities	$	—	$	186,810	$	—	$	186,810	$	—	$	—	$	—	$	—
Capped Call Transactions (2) (3)	$	—	$	71,716	$	—	$	71,716	$	—	$	—	$	—	$	—
Venture investments (2) (4)	$	—	$	—	$	7,927	$	7,927	$	—	$	—	$	4,871	$	4,871

(1) Investments in money market funds. (2) Included in other long-term assets. (3) See "6. Debt" for additional information. (4) Investments in privately-held companies.

Fair value, assets measured on recurring basis, unobservable input reconciliation

Change in venture investments:

(in thousands)	Nine Months Ended September 30, 2020
December 31, 2019	$	4,871
New investments	3,006
Sales of investments	(1,424)
Fair value adjustment	1,474
September 30, 2020	$	7,927