EQUITY COMPENSATION PLAN - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 USD ($) shares	Dec. 31, 2024 shares	May 30, 2024 right $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of stock options exercised				$ 65,300,000
Total fair value of stock options				42,500,000
Merger consideration exercise price (in dollars per share) | $ / shares						$ 35.00
Sale of stock, per share in cash (in dollars per share) | $ / shares						$ 30.00
Sale of stock, right per share, contingency | right						1
Sale of stock, price per share, contingency (in dollars per share) | $ / shares						$ 5.00
Cancelled, threshold exercise price (in dollars per share) | $ / shares						$ 35.00
Stock-based compensation expense			$ 8,395,000	$ 55,536,000
2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by Share-based payment award, options, outstanding, number (in shares) | shares						0
Granted (in shares) | shares			0	0
Stock-based compensation expense	$ 0	$ 0	$ 0	$ 0
Unrecognized stock-based compensation expense	$ 0		0
2024 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of stock options exercised			200,000	0
Total fair value of stock options			$ 15,000,000.0	$ 0
Share-based compensation arrangement by Share-based payment award, options, outstanding, number (in shares) | shares	3,590,000		3,590,000		3,660,000
Granted (in shares) | shares			378,000
Unrecognized stock-based compensation expense	$ 28,700,000		$ 28,700,000
Number of shares authorized (in shares) | shares	4,000,000.0		4,000,000.0
Number of shares authorized, currently available (in shares) | shares	400,000		400,000
Stock options exercised (in shares) | shares			22,000
Weighted-average period of recognition (in years)	2 years 9 months 18 days
Options to purchase common stock issued and outstanding | 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			4 years
Contractual term (in years)			10 years
Options to purchase common stock issued and outstanding | 2017 Plan | Cliff Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Options to purchase common stock issued and outstanding | 2024 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term (in years)			10 years
Options to purchase common stock issued and outstanding | 2024 Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			4 years
Options to purchase common stock issued and outstanding | 2024 Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year