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SEGMENT INFORMATION, GEOGRAPHIC INFORMATION AND CUSTOMER CONCENTRATION - Schedule of Total Revenues Disaggregated by Type (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Total net revenue | $ 607,907 | $ 624,957 | $ 507,149
Appliance and integration |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 435,878 | 473,806 | 369,767
Product sales |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 396,682 | 423,858 | 343,406
Professional services |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 39,196 | 49,948 | 26,361
SaaS and service |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 172,029 | 151,151 | 137,382
SaaS |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 50,888 | 34,665 | 21,266
Support services |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | $ 121,141 | $ 116,486 | $ 116,116

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