EQUITY INCENTIVE PLANS​ - Stock-Based Compensation Expense Recognized (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Stock-based Compensation [Line Items]
Stock-based compensation expense	$ 11,687	$ 10,769	$ 23,775	$ 18,385
Selling, general and administrative
Stock-based Compensation [Line Items]
Stock-based compensation expense	9,273	8,460	17,757	14,106
Research and development
Stock-based Compensation [Line Items]
Stock-based compensation expense	$ 2,414	$ 2,309	$ 6,018	$ 4,279