FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Net Asset (Liability) [Abstract]
Investments:	$ 957,584	$ 905,150
Total financial assets	1,323,866	1,397,138
Contingent earn-out liability	5,231	7,160
Warrant liabilities	3,405	5,293
Total financial liabilities	8,636	12,453
U.S. treasury bills (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	9,910	63,807
U.S. agency securities (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	207,491	14,744
Commercial paper (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	728,186	814,732
Corporate notes (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	11,997	11,867
Money market funds
Fair Value, Net Asset (Liability) [Abstract]
Cash equivalents:	366,282	200,677
Commercial paper (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Cash equivalents:		291,311
Level 1
Fair Value, Net Asset (Liability) [Abstract]
Total financial assets	366,282	200,677
Warrant liabilities	1,904	2,961
Total financial liabilities	1,904	2,961
Level 1 \| Money market funds
Fair Value, Net Asset (Liability) [Abstract]
Cash equivalents:	366,282	200,677
Level 2
Fair Value, Net Asset (Liability) [Abstract]
Total financial assets	957,584	1,196,461
Warrant liabilities	1,501	2,332
Total financial liabilities	1,501	2,332
Level 2 \| U.S. treasury bills (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	9,910	63,807
Level 2 \| U.S. agency securities (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	207,491	14,744
Level 2 \| Commercial paper (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	728,186	814,732
Level 2 \| Corporate notes (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Investments:	11,997	11,867
Level 2 \| Commercial paper (due within 1 year)
Fair Value, Net Asset (Liability) [Abstract]
Cash equivalents:		291,311
Level 3
Fair Value, Net Asset (Liability) [Abstract]
Contingent earn-out liability	5,231	7,160
Total financial liabilities	$ 5,231	$ 7,160

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Section 50
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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