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Share-Based Compensation - Allocation of compensation expenses and related tax effects from the RSUs granted to employees (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Share Based Payment Arrangements Explanatory [Line Items]      
Cost of revenues $ 798,519 $ 666,501 $ 533,916
Research and development 151,386 122,265 114,859
General and administrative 29,281 23,915 23,672
Sales and marketing 23,080 16,675 17,628
Total compensation recognized in income 38 8 5
Income tax benefit 110,657 11,712 416
Restricted stock units [Member]      
Disclosure Of Share Based Payment Arrangements Explanatory [Line Items]      
Cost of revenues 676 70  
Research and development 17,592 3,924 86
General and administrative 2,343 319 26
Sales and marketing 3,149 520 19
Total compensation recognized in income 23,760 4,833 131
Income tax benefit $ 4,896 $ 1,044 $ 30