FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value Assets
Marketable securities	$ 168,085	$ 202,814
Capped call transactions	3,583	59,964
Cash equivalents
Fair Value Assets
Cash equivalents	20,899	3,216
Venture investments
Fair Value Assets
Venture investments	11,910	7,648
Level 1
Fair Value Assets
Marketable securities	0	0
Capped call transactions	0	0
Level 1 \| Cash equivalents
Fair Value Assets
Cash equivalents	20,899	3,216
Level 1 \| Venture investments
Fair Value Assets
Venture investments	0	0
Level 2
Fair Value Assets
Marketable securities	168,085	202,814
Capped call transactions	3,583	59,964
Level 2 \| Cash equivalents
Fair Value Assets
Cash equivalents	0	0
Level 2 \| Venture investments
Fair Value Assets
Venture investments	0	0
Level 3
Fair Value Assets
Marketable securities	0	0
Capped call transactions	0	0
Level 3 \| Cash equivalents
Fair Value Assets
Cash equivalents	0	0
Level 3 \| Venture investments
Fair Value Assets
Venture investments	$ 11,910	$ 7,648

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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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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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