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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Schedule of Debt Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	$ 509,470	$ 302,707
Cash and cash equivalents
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	591	18,001
Cash and cash equivalents | Level 1 | Money market funds
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	591	12,009
Cash and cash equivalents | Level 2 | Commercial paper and certificates of deposit
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	0	5,992
Short-term investments
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	508,879	284,706
Short-term investments | Level 1 | U.S. government securities
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	62,039	56,835
Short-term investments | Level 2 | Commercial paper and certificates of deposit
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	11,064	4,466
Short-term investments | Level 2 | U.S. agency securities
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	28,928	9,530
Short-term investments | Level 2 | Corporate bonds
Debt and Equity Securities, FV-NI [Line Items]
Total debt investments	$ 406,848	$ 213,875

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- Definition

Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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- Definition

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