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FAIR VALUE MEASUREMENTS, CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of cash equivalents and marketable debt securities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Total cash equivalents	$ 124,936	$ 212,139
Amortized Cost	538,044	761,109
Gross Unrealized Gains	130	266
Gross Unrealized Losses	0	0
Estimated Fair Value	538,174	761,375
U.S. government treasury bills
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Amortized Cost	413,108	666,412
Gross Unrealized Gains	130	266
Gross Unrealized Losses	0	0
Estimated Fair Value	413,238	666,678
Money market funds
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Total cash equivalents	$ 124,936	$ 94,697

X

- Definition

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).

+ References

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-Topic 320
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amortized cost excluding accrued interest, before 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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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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