STOCK‐BASED COMPENSATION - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Number of Options
Balance (in shares)	15,126,442
Options exercised (in shares)	(57,500)
Options expired (in shares)	(33,591)
Balance (in shares)	15,035,351	15,126,442
Options vested and expected to vest (in shares)	5,405,141
Exercisable (in shares)	5,405,141
Weighted-Average Exercise Price
Balance (in dollars per share)	$ 5.64
Options exercised (in dollars per share)	0.55
Options expired (in dollars per share)	0.55
Balance (in dollars per share)	5.67	$ 5.64
Options vested and expected to vest (in dollars per share)	5.00
Exercisable (in dollars per share)	$ 5.00
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value
Weighted-average remaining contractual term, balance	2 years 1 month 6 days	2 years 4 months 24 days
Weighted average remaining contractual term, vested and expected to vest	2 years 2 months 12 days
Weighted average remaining contractual term, exercisable	2 years 2 months 12 days
Aggregate intrinsic value, Balance	$ 9,567	$ 119,321
Aggregate intrinsic value, Vested and expected to vest	7,737
Aggregate intrinsic value, exercisable	$ 7,737