FAIR VALUE MEASUREMENTS - Schedule of Estimated Value of Cash, Cash Equivalents, Marketable Securities, and Equity Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Cash equivalents:
Amortized cost	$ 112,724	$ 94,818
Unrealized gains		1
Total cash equivalents	112,724	94,819
Marketable securities:
Amortized cost	288,824	196,379
Unrealized gains	333	206
Unrealized losses	(44)	(28)
Total marketable securities	289,113	196,557
Money market funds
Cash equivalents:
Amortized cost	112,724	89,822
Total cash equivalents	112,724	89,822
U.S. Treasury securities
Cash equivalents:
Amortized cost		4,996
Unrealized gains		1
Total cash equivalents		4,997
Marketable securities:
Amortized cost	143,422	98,247
Unrealized gains	146	72
Unrealized losses	(2)	(2)
Total marketable securities	143,566	98,317
Commercial paper
Marketable securities:
Amortized cost	58,951	21,757
Unrealized gains	27	38
Unrealized losses	(10)	0
Total marketable securities	58,968	21,795
Corporate debt securities
Marketable securities:
Amortized cost	71,959	46,570
Unrealized gains	157	84
Unrealized losses	(2)	(10)
Total marketable securities	72,114	46,644
Government-related debt securities
Marketable securities:
Amortized cost	14,492	29,805
Unrealized gains	3	12
Unrealized losses	(30)	(16)
Total marketable securities	$ 14,465	$ 29,801