INCOME TAXES- Schedule of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 127,680	$ 89,880
Research and development credits	23,934	17,825
Property and equipment	1,936	223
Deferred revenue	5,260	767
Intangible assets	0	4
Interest expense	5,484	0
Stock-based compensation	2,704	2,246
Operating lease liabilities	1,014	1,333
Section 174 research and development capitalization	40,648	21,186
Accruals and reserves	2,780	588
Other	2	0
Total deferred tax assets	211,442	134,052
Valuation allowance	(170,219)	(132,873)
Total deferred tax assets, net	41,223	1,179
Deferred tax liabilities:
Right-of-use assets	(1,017)	(1,168)
Intangible assets	(40,202)	0
Total deferred tax liabilities	(41,219)	(1,168)
Net deferred tax assets	$ 4	$ 11