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FINANCIAL INSTRUMENTS - Schedule of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Fair Value Measurements
Cost	$ 134,465	$ 222,515
Gross Unrealized Gains	0	25
Gross Unrealized Losses	(509)	(819)
Fair Value (Level 2)	133,956	221,721
Current:
Fair Value Measurements
Cost		185,233
Gross Unrealized Gains		23
Gross Unrealized Losses		(744)
Fair Value (Level 2)		184,512
Noncurrent:
Fair Value Measurements
Cost		37,282
Gross Unrealized Gains		2
Gross Unrealized Losses		(75)
Fair Value (Level 2)		37,209
Asset-backed securities | Current:
Fair Value Measurements
Cost	5,972	6,836
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(16)	(3)
Fair Value (Level 2)	5,956	6,833
Commercial paper | Current:
Fair Value Measurements
Cost	49,007	134,423
Gross Unrealized Gains	0	23
Gross Unrealized Losses	(99)	(386)
Fair Value (Level 2)	48,908	134,060
U.S. federal agency bonds | Current:
Fair Value Measurements
Cost	64,789	41,971
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(314)	(337)
Fair Value (Level 2)	64,475	41,634
U.S. federal agency bonds | Noncurrent:
Fair Value Measurements
Cost		22,783
Gross Unrealized Gains		2
Gross Unrealized Losses		(66)
Fair Value (Level 2)		22,719
U.S. government bonds | Current:
Fair Value Measurements
Cost	14,697	2,003
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(80)	(18)
Fair Value (Level 2)	$ 14,617	1,985
U.S. government bonds | Noncurrent:
Fair Value Measurements
Cost		14,499
Gross Unrealized Gains		0
Gross Unrealized Losses		(9)
Fair Value (Level 2)		$ 14,490

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