SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Potentially Dilutive Items Outstanding (Details) - shares	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive shares (in shares)	16,492,921	8,573,214
Unvested restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive shares (in shares)	8,883,386	6,495,638
Common stock warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive shares (in shares)	5,079,294	1,096,481
Contingently issuable shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive shares (in shares)	1,795,960	0
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive shares (in shares)	694,138	874,049
Unvested restricted stock awards subject to recourse and nonrecourse loans
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive shares (in shares)	40,143	107,046