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SEGMENT INFORMATION, GEOGRAPHIC INFORMATION AND CUSTOMER CONCENTRATION - Financial Information by Reportable Segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Total net revenue | $ 624,957 | $ 507,149 | $ 378,831
Gross profit | 315,884 | 259,742 | 194,997
Operating income (loss) | 45,519 | 18,809 | (12,449)
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 624,957 | 507,149 | 378,831
Gross profit | 318,649 | 262,659 | 198,753
Operating income (loss) | 74,605 | 44,059 | 12,977
Operating Segments | Video |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 274,189 | 288,507 | 242,510
Gross profit | 165,618 | 169,468 | 132,092
Operating income (loss) | 22,322 | 28,460 | 1,326
Operating Segments | Broadband |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 350,768 | 218,642 | 136,321
Gross profit | 153,031 | 93,191 | 66,661
Operating income (loss) | $ 52,283 | $ 15,599 | $ 11,651

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