FAIR VALUE MEASUREMENTS - Schedule of financial assets measured on nonrecurring basis (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-marketable equity securities measured using the measurement alternative	$ 13,739	$ 7,294
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-marketable equity securities measured using the measurement alternative	128	0
Option pricing model
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-marketable equity securities measured using the measurement alternative	$ 13,867	$ 7,294

Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

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