SHAREHOLDERS' EQUITY (Schedule of Share Based Compensation Expense) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based compensation expense | $ 95,436 | $ 71,849 | $ 55,517 |
| Cost of revenues [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based compensation expense | 11,158 | 8,734 | 5,690 |
| Research and development [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based compensation expense | 20,498 | 14,691 | 10,960 |
| Sales and marketing [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based compensation expense | 38,546 | 28,220 | 20,976 |
| General and administrative [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based compensation expense | $ 25,234 | $ 20,204 | $ 17,891 |