OTHER CURRENT AND LONG-TERM LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accrued compensation	$ 9,638	$ 5,783
Accounts receivable credits	3,776	2,398
Derivative valuation - short-term	0	0
Advertiser obligations	1,618	928
Accrued interest payable	8,566	2,777
Other	2,729	1,613
Accrued compensation and other current liabilities	$ 26,327	$ 13,499