SIGNIFICANT ACCOUNTING POLICIES - Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Marketable Securities [Line Items]
Total cash equivalents	$ 27,542	$ 34,008
Total marketable securities	106,101	62,033
Total	133,643	96,041
Municipal bonds
Marketable Securities [Line Items]
Total marketable securities	0	1,930
Commercial paper
Marketable Securities [Line Items]
Total marketable securities	56,172	24,075
Corporate notes and bonds
Marketable Securities [Line Items]
Total marketable securities	49,929	36,028
Commercial paper
Marketable Securities [Line Items]
Total cash equivalents	27,542	5,035
U.S. Treasury securities
Marketable Securities [Line Items]
Total cash equivalents	$ 0	$ 28,973