SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Current Liabilities and Other Long Term Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Other current liabilities
Customer advances and unearned income	$ 4,137	$ 4,851
Unearned event income	338	4,864
Reserve for audience deficiency	18,608	12,779
Professional fee accrual	3,595	1,658
Operating expense accruals	1,312	5,090
Accrued stock compensation	0	4,650
Employment agreement award (as defined in Note 7)	4,776	3,685
Launch liability	0	1,750
Deferred barter revenue	2,350	1,848
Other	1,351	1,656
Total other current liabilities	36,467	42,831
Other long-term liabilities
Employment agreement award (as defined in Note 7)	11,931	19,285
Launch liability	3,500	3,500
Other	3,387	2,210
Total long-term liabilities	$ 18,818	$ 24,995