EQUITY COMPENSATION PLAN - Stock-based Compensation Expense (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
2024 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 2,450,000	$ 0
Stock options | 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense		6,397,000
Research and development | Stock options | 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense		4,192,000
Research and development | Stock options | 2024 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	1,256,000
General and administrative | Stock options | 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense		$ 2,205,000
General and administrative | Stock options | 2024 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 1,194,000