FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - Recurring - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets:
Total	$ 142,119	$ 207,717
Money market funds
Assets:
Cash equivalents:	51,898	63,730
Commercial paper
Assets:
Investments:	4,998
Corporate bonds
Assets:
Investments:	46,438	104,066
U.S. Government agencies
Assets:
Investments:	38,785	39,921
Level 1
Assets:
Total	51,898	63,730
Level 1 | Money market funds
Assets:
Cash equivalents:	51,898	63,730
Level 1 | Commercial paper
Assets:
Investments:	0
Level 1 | Corporate bonds
Assets:
Investments:	0	0
Level 1 | U.S. Government agencies
Assets:
Investments:	0	0
Level 2
Assets:
Total	90,221	143,987
Level 2 | Money market funds
Assets:
Cash equivalents:	0	0
Level 2 | Commercial paper
Assets:
Investments:	4,998
Level 2 | Corporate bonds
Assets:
Investments:	46,438	104,066
Level 2 | U.S. Government agencies
Assets:
Investments:	38,785	39,921
Level 3
Assets:
Total	0	0
Level 3 | Money market funds
Assets:
Cash equivalents:	0	0
Level 3 | Commercial paper
Assets:
Investments:	0
Level 3 | Corporate bonds
Assets:
Investments:	0	0
Level 3 | U.S. Government agencies
Assets:
Investments:	$ 0	$ 0