FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Cash and Cash Equivalents
Cost	$ 46,454	$ 85,645
Short-Term Investments
Cost	230,392	193,652
Gross Unrealized Gains	156	97
Gross Unrealized Losses	(8)	(13)
Fair Value	230,540	193,736
Money market funds
Cash and Cash Equivalents
Fair Value	35,468	34,267
Money market funds | Level 1
Cash and Cash Equivalents
Cost	35,468	34,267
U.S. government securities
Short-Term Investments
Fair Value	117,629	98,795
U.S. government securities | Level 1
Short-Term Investments
Cost	117,520	98,716
Gross Unrealized Gains	109	81
Gross Unrealized Losses	0	(2)
Corporate paper
Short-Term Investments
Fair Value	77,443	60,674
Corporate paper | Level 2
Short-Term Investments
Cost	77,404	60,669
Gross Unrealized Gains	47	16
Gross Unrealized Losses	$ (8)	$ (11)