SIGNIFICANT ACCOUNTING POLICIES (Schedule of Company's Revenue by Category) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 502,917 | $ 464,431 | $ 433,895 |
| Saas [Member] | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | 69,303 | 24,305 | 7,286 |
| Self-hosted subscription (Member) | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | 65,325 | 32,120 | 10,882 |
| Perpetual License [Member] | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | 115,738 | 176,061 | 221,955 |
| Maintenance and support [Member] | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | 214,036 | 190,897 | 157,486 |
| Professional services [Member] | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 38,515 | $ 41,048 | $ 36,286 |