GOODWILL - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Balance at beginning of period	$ 240,213	$ 243,674
Foreign currency translation adjustment	(2,474)	(3,461)
Balance at end of period	237,739	240,213
Video
Goodwill [Roll Forward]
Balance at beginning of period	179,398	182,855
Foreign currency translation adjustment	(2,409)	(3,457)
Balance at end of period	176,989	179,398
Broadband
Goodwill [Roll Forward]
Balance at beginning of period	60,815	60,819
Foreign currency translation adjustment	(65)	(4)
Balance at end of period	$ 60,750	$ 60,815