CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) $ in Thousands	12 Months Ended
Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Foreign currency translation adjustments, tax portion	$ 0	$ 0	$ 0
Unrealized losses on available-for-sale investment, net of tax	0	0	0
Share-based compensation	23,200	31,979	44,096
Cost of revenues
Share-based compensation	1,720	3,575	8,185
Research and development expenses
Share-based compensation	12,408	19,415	25,170
Sales and marketing expenses
Share-based compensation	615	797	777
General and administrative expenses
Share-based compensation	$ 8,457	$ 8,192	$ 9,964
Class A common shares
Number of common shares represented by each ADS	20	20	20

The number of underlying shares represented by one American Depository Receipt (ADR) or Global Depository Receipt (GDR). A value of '3' means that one ADR represents 3 underlying shares. If one underlying share represents 2 ADR's then the value would be represented as '0.5'.

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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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- Definition

Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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Amount of noncash expense for share-based payment arrangement.

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