BALANCE SHEET DETAILS - Current Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Schedule of Investments [Line Items]
Certificates of deposit, current	$ 5,267	$ 0
Debt Securities, Current	22,030
Financial Instruments, Owned, US Government and Agency Obligations, at Fair Value		0
Marketable securities	69,482	86,431
Short-term investments	96,779	86,431
Marketable Securities
Schedule of Investments [Line Items]
Short-term investments	$ 69,482	$ 86,431

Certificates Of Deposit, Current

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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), classified as current.

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The fair value as of the balance sheet date of firm holdings in debt obligations issued by the US government including short-term Treasury bills, medium-term Treasury notes, and long-term Treasury bonds, as well as debt issued by agencies. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

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Amount of investment in marketable security, classified as current.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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