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FAIR VALUE MEASUREMENTS - Change in Investment in Privately Held Companies (Details) - Privately Held Investment - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ 13,069 | $ 7,648
New investments | 400 | 400
Sales of investments | (2,773) | (165)
Changes in foreign exchange rates | 119 | (290)
Changes in fair value: |  |
Changes in fair value included in other income, net | 4,475 | 5,978
Changes in fair value included in other comprehensive (loss) | (1,908) | 2,502
Ending balance | $ 13,382 | $ 16,073

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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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