EQUITY INCENTIVE PLANS​ - Total Unrecognized Stock-Based Compensation Expense, Net of Estimated Forfeitures (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($)
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 204
Average Remaining Vesting Period (Years)	2 months 12 days
Stock option grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 59,511
Average Remaining Vesting Period (Years)	2 years 10 months 24 days
RSU grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 50,934
Average Remaining Vesting Period (Years)	3 years 2 months 12 days