NET LOSS PER SHARE - Potentially dilutive securities (Details) - shares	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share
Potentially dilutive securities (in shares)	19,905,104	17,447,049
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share
Potentially dilutive securities (in shares)	18,676,439	16,776,912
Unvested restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share
Potentially dilutive securities (in shares)	1,228,665	670,137

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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