FINANCIAL INSTRUMENTS - Schedule of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value Measurements
Cost	$ 238,010	$ 70,651
Gross Unrealized Gains	0	182
Gross Unrealized Losses	(1,315)	(2)
Fair Value (Level 2)	236,695	70,831
Current:
Fair Value Measurements
Cost	220,514
Gross Unrealized Gains	0
Gross Unrealized Losses	(1,213)
Fair Value (Level 2)	219,301
Asset-backed securities \| Current:
Fair Value Measurements
Cost	22,298	3,182
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(127)	0
Fair Value (Level 2)	22,171	3,182
Commercial paper \| Current:
Fair Value Measurements
Cost	169,736	57,533
Gross Unrealized Gains	0	80
Gross Unrealized Losses	(903)	(2)
Fair Value (Level 2)	168,833	57,611
Corporate bonds \| Current:
Fair Value Measurements
Cost	2,000	9,936
Gross Unrealized Gains	0	102
Gross Unrealized Losses	0	0
Fair Value (Level 2)	2,000	$ 10,038
U.S. federal agency bonds \| Current:
Fair Value Measurements
Cost	24,474
Gross Unrealized Gains	0
Gross Unrealized Losses	(160)
Fair Value (Level 2)	24,314
U.S. federal agency bonds \| Noncurrent:
Fair Value Measurements
Cost	17,496
Gross Unrealized Gains	0
Gross Unrealized Losses	(102)
Fair Value (Level 2)	17,394
U.S. government bonds \| Current:
Fair Value Measurements
Cost	2,006
Gross Unrealized Gains	0
Gross Unrealized Losses	(23)
Fair Value (Level 2)	$ 1,983

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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