FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Liabilities:
Contingent consideration	$ 1,800	$ 52,000
Recurring | Quoted Prices in Active Markets (Level 1)
Assets:
Money market funds (cash equivalents)	40,765	16,382
Marketable securities	0
Liabilities:
Contingent consideration	0	0
Recurring | Significant Other Observable Inputs (Level 2)
Assets:
Money market funds (cash equivalents)	0	0
Marketable securities	89,095
Liabilities:
Contingent consideration	0	0
Recurring | Significant Unobservable Inputs (Level 3)
Assets:
Money market funds (cash equivalents)	0	0
Marketable securities	0
Liabilities:
Contingent consideration	1,800	52,000
Carrying Amount | Recurring
Assets:
Money market funds (cash equivalents)	40,765	16,382
Marketable securities	89,095
Liabilities:
Contingent consideration	1,800	52,000
Fair Value | Recurring
Assets:
Money market funds (cash equivalents)	40,765	16,382
Marketable securities	89,095
Liabilities:
Contingent consideration	$ 1,800	$ 52,000