OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accrued compensation	$ 30,498	$ 25,264
Accounts receivable credits	1,902	1,683
Advertiser obligations	6,192	4,844
Accrued interest payable	14,517	9,804
Unearned revenue	12,976	15,651
Unfavorable sports liabilities	4,634	4,634
Accrued benefits	8,471	6,944
Non-income tax liabilities	1,731	1,332
Income taxes payable	726	0
Other	3,225	3,841
Total other current liabilities	$ 84,872	$ 73,997