FINANCIAL INSTRUMENTS - Schedule of Cash, Cash Equivalents, Restricted Cash and Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 276,109	$ 279,049
Gross unrealized gains	116	458
Gross unrealized losses	(263)	(1)
Fair Value	275,962	279,506
Short-term restricted cash	19	20
Long-term restricted cash	1,571	1,532
Cash and cash equivalents
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	56,274	63,707
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair Value	56,274	63,707
Total investments
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	219,835	215,342
Gross unrealized gains	116	458
Gross unrealized losses	(263)	(1)
Fair Value	219,688	215,799
Corporate debt securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	20,245	23,172
Gross unrealized gains	28	78
Gross unrealized losses	(35)	0
Fair Value	20,238	23,250
U.S. government & agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	199,590	192,170
Gross unrealized gains	88	380
Gross unrealized losses	(228)	(1)
Fair Value	$ 199,450	$ 192,549

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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Amount, before tax, of unrealized loss 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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Amortized cost excluding accrued interest, after allowance for credit loss, of 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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Amount of cash and cash equivalent restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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