NET REVENUES - Contract assets and liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Contract assets:
Unbilled receivables	$ 5,969	$ 5,437
Contract liabilities:
Customer advances and unearned income	2,200	4,851
Reserve for audience deficiency	22,383	12,779
Unearned event income	$ 1,152	$ 4,864