STOCK BASED COMPENSATION - Schedule of Activity in Unvested RSUs Granted to Employees and Non-Employees (Details) - Restricted Stock Units (RSUs) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Number of Shares
Ending balance (in shares)	15,588,545
Employee
Number of Shares
Beginning balance (in shares)	2,614,031	3,952,749	1,931,187
Unvested awards of employees acquired in business acquisition (in shares)	(1,448,079)
Granted (in shares)	20,529,141	9,671,700	6,872,358
Vested (in shares)	(9,231,181)	(11,010,418)	(4,797,854)
Forfeited/canceled (in shares)	(46,189)	0	(52,942)
Ending balance (in shares)	15,313,881	2,614,031	3,952,749
Weighted-Average Grant-Date Fair Value
Beginning balance (in dollars per share)	$ 2.57	$ 1.26	$ 2.87
Unvested awards of employees acquired in business acquisition (in dollars per share)	2.82
Granted (in dollars per share)	5.15	2.94	0.43
Vested (in dollars per share)	4.68	2.41	0.72
Forfeited/canceled (in dollars per share)	4.30	0	1.70
Ending balance (in dollars per share)	$ 4.78	$ 2.57	$ 1.26
Non-employee
Number of Shares
Beginning balance (in shares)	1,698,733	2,389,392	82,645
Unvested awards of employees acquired in business acquisition (in shares)	(1,448,079)
Granted (in shares)	833,000	425,000	2,870,564
Vested (in shares)	(775,657)	(1,092,327)	(372,972)
Forfeited/canceled (in shares)	(33,333)	(23,332)	(190,845)
Ending balance (in shares)	274,664	1,698,733	2,389,392
Weighted-Average Grant-Date Fair Value
Beginning balance (in dollars per share)	$ 1.22	$ 0.79	$ 1.21
Unvested awards of employees acquired in business acquisition (in dollars per share)	2.82
Granted (in dollars per share)	4.98	2.87	0.82
Vested (in dollars per share)	1.08	0.98	1.15
Forfeited/canceled (in dollars per share)	0.65	0.67	0.70
Ending balance (in dollars per share)	$ 4.63	$ 1.22	$ 0.79