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