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SHARE BASED COMPENSATION, RSAs, RSUs and SARs Granted to Eligible Persons (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
Share-based Compensation [Abstract] |  |
Compensation expense | $ 214,560 | $ 117,186
Share Options [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 109,636 | 74,672
Share Options [Member] | Cost of Revenue [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 247 | 65
Share Options [Member] | Sales and Marketing Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 5 | 31
Share Options [Member] | General and Administrative Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 109,351 | 74,363
Share Options [Member] | Research and Development Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 33 | 213
RSAs and RSUs [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 94,054 | 38,422
RSAs and RSUs [Member] | Cost of Revenue [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 3,845 | 1,993
RSAs and RSUs [Member] | Sales and Marketing Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 9,562 | 4,306
RSAs and RSUs [Member] | General and Administrative Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 27,697 | 14,299
RSAs and RSUs [Member] | Research and Development Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 52,950 | 17,824
SARs [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 10,870 | 4,092
SARs [Member] | Cost of Revenue [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 2,471 | 980
SARs [Member] | Sales and Marketing Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 4,707 | 1,898
SARs [Member] | General and Administrative Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | 3,029 | 1,078
SARs [Member] | Research and Development Expenses [Member] |  |
Share-based Compensation [Abstract] |  |
Compensation expense | $ 663 | $ 136

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