FAIR VALUE MEASUREMENTS - Schedule of Financial Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Assets:
Money market funds	$ 112,724	$ 94,819
Total assets measured at fair value	401,837	291,376
Money market funds
Assets:
Money market funds	112,724	89,822
U.S. Treasury securities
Assets:
Money market funds		4,997
Debt securities, available for sale and cash and cash equivalents	143,566	103,314
Commercial paper
Assets:
Debt securities, available for sale and cash and cash equivalents	58,968	21,795
Corporate debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	72,114	46,644
Government-related debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	14,465	29,801
Level 1
Assets:
Total assets measured at fair value	256,290	193,136
Level 1 | Money market funds
Assets:
Money market funds	112,724	89,822
Level 1 | U.S. Treasury securities
Assets:
Debt securities, available for sale and cash and cash equivalents	143,566	103,314
Level 1 | Commercial paper
Assets:
Debt securities, available for sale and cash and cash equivalents	0	0
Level 1 | Corporate debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	0	0
Level 1 | Government-related debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	0	0
Level 2
Assets:
Total assets measured at fair value	145,547	98,240
Level 2 | Money market funds
Assets:
Money market funds	0	0
Level 2 | U.S. Treasury securities
Assets:
Debt securities, available for sale and cash and cash equivalents	0	0
Level 2 | Commercial paper
Assets:
Debt securities, available for sale and cash and cash equivalents	58,968	21,795
Level 2 | Corporate debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	72,114	46,644
Level 2 | Government-related debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	14,465	29,801
Level 3
Assets:
Total assets measured at fair value	0	0
Level 3 | Money market funds
Assets:
Money market funds	0	0
Level 3 | U.S. Treasury securities
Assets:
Debt securities, available for sale and cash and cash equivalents	0	0
Level 3 | Commercial paper
Assets:
Debt securities, available for sale and cash and cash equivalents	0	0
Level 3 | Corporate debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	0	0
Level 3 | Government-related debt securities
Assets:
Debt securities, available for sale and cash and cash equivalents	$ 0	$ 0