FAIR VALUE MEASUREMENT - Assets Measured at Fair Value (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 30,620,000
Marketable securities	62,633,000
Total assets	93,253,000
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	20,353,000	$ 28,000,000
Marketable securities	0	$ 0
Total assets	20,353,000
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	10,267,000
Marketable securities	62,633,000
Total assets	72,900,000
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0
Marketable securities	0
Total assets	$ 0