ORDINARY SHARES AND ORDINARY SHARE WARRANTS - Schedule of Shares Reserved for Future Issuance (Details) - shares	Sep. 30, 2025	Dec. 31, 2024
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	53,257,011	54,762,940
Exchangeable notes
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	11,434,704	11,434,704
Redeemable convertible preferred shares
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	2,027,147	5,000,000
Ordinary share warrants
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	3,385,640	2,372,858
Share options
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	3,232,311	4,042,901
Options to restricted shares
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	19,897,469	19,948,408
RSUs
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	2,490,812	3,009,918
Shares available for future grant of equity awards
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	10,055,458	8,121,438
Shares reserved for issuance under the ESPP
Class of Stock [Line Items]
Total shares of ordinary share reserved (in shares)	733,470	832,713