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CASH EQUIVALENTS AND MARKETABLE SECURITIES - Summary of Cash Equivalents and Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash equivalents, at carrying value, total	$ 54,417	$ 45,204	$ 78,241	$ 100,444
Marketable securities, amortized cost		35,564
Marketable securities, gross unrealized gains		241
Marketable securities, gross unrealized losses		(7)
Marketable securities, estimated fair value		35,798
Total cash equivalents and marketable securities, amortized cost		38,072
Total cash equivalents and marketable securities, gross unrealized gains		241
Total cash equivalents and marketable securities, gross unrealized losses		(7)
Total cash equivalents and marketable securities, estimated fair value		38,306
Money market funds
Assets
Cash equivalents, at carrying value, total	8,956	2,508
Cash equivalents, gross unrealized gains	0	0
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	8,956	2,508
Cash equivalents:
Assets
Cash equivalents, at carrying value, total	8,956	2,508
Cash equivalents, gross unrealized gains	0	0
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	$ 8,956	2,508
U.S. government-sponsored entity debt securities
Assets
Marketable securities, amortized cost		22,347
Marketable securities, gross unrealized gains		219
Marketable securities, gross unrealized losses		0
Marketable securities, estimated fair value		22,566
Commercial paper securities
Assets
Marketable securities, amortized cost		2,825
Marketable securities, gross unrealized gains		2
Marketable securities, gross unrealized losses		(1)
Marketable securities, estimated fair value		2,826
Corporate debt securities
Assets
Marketable securities, amortized cost		1,399
Marketable securities, gross unrealized gains		6
Marketable securities, gross unrealized losses		0
Marketable securities, estimated fair value		1,405
Asset-backed securities
Assets
Marketable securities, amortized cost		2,368
Marketable securities, gross unrealized gains		9
Marketable securities, gross unrealized losses		0
Marketable securities, estimated fair value		2,377
U.S. treasury bills
Assets
Marketable securities, amortized cost		5,599
Marketable securities, gross unrealized gains		0
Marketable securities, gross unrealized losses		(6)
Marketable securities, estimated fair value		5,593
Certificates of deposit
Assets
Marketable securities, amortized cost		1,026
Marketable securities, gross unrealized gains		5
Marketable securities, gross unrealized losses		0
Marketable securities, estimated fair value		$ 1,031

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