FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Cash and Cash Equivalents
Cost	$ 131,811	$ 144,173
Short-Term Investments
Cost	225,680	219,846
Gross Unrealized Gains	1	12
Gross Unrealized Losses	(49)	(7)
Fair Value	225,632	219,851
Money market funds
Cash and Cash Equivalents
Fair Value	70,308	117,328
U.S. government securities
Short-Term Investments
Fair Value	77,279	64,642
Corporate paper
Short-Term Investments
Fair Value	78,045	37,881
Level 1 | Money market funds
Cash and Cash Equivalents
Cost	70,308	117,328
Level 1 | U.S. government securities
Short-Term Investments
Cost	77,296	64,630
Gross Unrealized Gains	1	12
Gross Unrealized Losses	(18)	0
Level 2 | Corporate paper
Short-Term Investments
Cost	78,076	37,888
Gross Unrealized Gains	0	0
Gross Unrealized Losses	$ (31)	$ (7)