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FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Fair Value Assets
Marketable securities	$ 202,663	$ 402,870
Capped Call Transactions	0	223
Cash equivalents
Fair Value Assets
Cash equivalents	13,276	154,244
Venture investments
Fair Value Assets
Venture investments	20,214	21,234
Level 1
Fair Value Assets
Marketable securities	0	0
Capped Call Transactions	0	0
Level 1 | Cash equivalents
Fair Value Assets
Cash equivalents	8,157	5,318
Level 1 | Venture investments
Fair Value Assets
Venture investments	0	0
Level 2
Fair Value Assets
Marketable securities	202,663	402,870
Capped Call Transactions	0	223
Level 2 | Cash equivalents
Fair Value Assets
Cash equivalents	5,119	148,926
Level 2 | Venture investments
Fair Value Assets
Venture investments	0	0
Level 3
Fair Value Assets
Marketable securities	0	0
Capped Call Transactions	0	0
Level 3 | Cash equivalents
Fair Value Assets
Cash equivalents	0	0
Level 3 | Venture investments
Fair Value Assets
Venture investments	$ 20,214	$ 21,234

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