FINANCIAL INSTRUMENTS - Summary of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 876,816	$ 777,083
Gross unrealized gains	916	16
Gross unrealized losses	(2,840)	(4,781)
Fair Value	874,892	772,318
Short-term restricted cash	300	300
Long-term restricted cash	2,922	2,922
Cash and cash equivalents
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	353,837	325,144
Gross unrealized gains	24	6
Gross unrealized losses	(27)	(61)
Fair Value	353,834	325,089
Investments:
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	522,979	451,939
Gross unrealized gains	892	10
Gross unrealized losses	(2,813)	(4,720)
Fair Value	521,058	447,229
Commercial paper
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	110,009	127,626
Gross unrealized gains	17	9
Gross unrealized losses	(153)	(333)
Fair Value	109,873	127,302
Corporate debt securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	87,426	49,998
Gross unrealized gains	299	0
Gross unrealized losses	(344)	(507)
Fair Value	87,381	49,491
U.S. government & agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	325,544	274,315
Gross unrealized gains	576	1
Gross unrealized losses	(2,316)	(3,880)
Fair Value	$ 323,804	$ 270,436

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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