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CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Cash equivalents, at carrying value, total	$ 45,204	$ 100,444
Marketable securities, amortized cost	35,564	207,923
Marketable securities, gross unrealized gains	241	28
Marketable securities, gross unrealized losses	(7)	(918)
Marketable securities, estimated fair value	35,798	207,033
Total cash equivalents and marketable securities, amortized cost	38,072	258,743
Total cash equivalents and marketable securities, gross unrealized gains	241	28
Total cash equivalents and marketable securities, gross unrealized losses	(7)	(918)
Total cash equivalents and marketable securities, estimated fair value	38,306	257,853
Money market funds
ASSETS
Cash equivalents, at carrying value, total	2,508	50,820
Cash equivalents, gross unrealized gains	0	0
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	2,508	50,820
Cash Equivalents
ASSETS
Cash equivalents, at carrying value, total	2,508	50,820
Cash equivalents, gross unrealized gains	0	0
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	2,508	50,820
U.S. government-sponsored entity debt securities
ASSETS
Marketable securities, amortized cost	22,347	18,710
Marketable securities, gross unrealized gains	219	0
Marketable securities, gross unrealized losses	0	(293)
Marketable securities, estimated fair value	22,566	18,417
Commercial paper securities
ASSETS
Marketable securities, amortized cost	2,825	101,336
Marketable securities, gross unrealized gains	2	22
Marketable securities, gross unrealized losses	(1)	(193)
Marketable securities, estimated fair value	2,826	101,165
Corporate debt securities
ASSETS
Marketable securities, amortized cost	1,399	11,760
Marketable securities, gross unrealized gains	6	0
Marketable securities, gross unrealized losses	0	(90)
Marketable securities, estimated fair value	1,405	11,670
Asset-backed securities
ASSETS
Marketable securities, amortized cost	2,368	24,970
Marketable securities, gross unrealized gains	9	2
Marketable securities, gross unrealized losses	0	(180)
Marketable securities, estimated fair value	2,377	24,792
U.S. treasury bills
ASSETS
Marketable securities, amortized cost	5,599	7,950
Marketable securities, gross unrealized gains	0	0
Marketable securities, gross unrealized losses	(6)	(12)
Marketable securities, estimated fair value	5,593	7,938
Certificates of deposit
ASSETS
Marketable securities, amortized cost	1,026	37,599
Marketable securities, gross unrealized gains	5	4
Marketable securities, gross unrealized losses	0	(142)
Marketable securities, estimated fair value	$ 1,031	37,461
Agency bonds
ASSETS
Marketable securities, amortized cost		5,598
Marketable securities, gross unrealized gains		0
Marketable securities, gross unrealized losses		(8)
Marketable securities, estimated fair value		$ 5,590

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