STOCKHOLDERS’ EQUITY - Schedule of Common Stock Reserved for Future Issuances (Details)	Mar. 31, 2024 shares
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	466,826,926
Private Placement Warrants to purchase common stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	44,350,000
Stock options outstanding
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	31,299,940
Restricted stock units outstanding
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	64,518,413
Shares available for future grants under equity plans
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	11,563,534
If-converted common shares from convertible note
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	36,737,785
If-converted common shares from redeemable convertible preferred stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	278,357,254