Consolidated Statements of Operations (Parenthetical) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Direct operating expenses	$ 27,044	$ 26,104	$ 53,729	$ 50,425
Non-cash stock-based compensation	900	600	1,807	1,303
Depreciation and amortization	3,958	3,503	7,920	7,018
Related Parties
Direct operating expenses	2,255	2,944	4,422	5,236
Depreciation and amortization	580	579	1,161	1,160
Direct Operating Expenses
Non-cash stock-based compensation	348	127	706	217
Depreciation and amortization	2,555	2,415	5,118	4,886
Corporate Expenses
Non-cash stock-based compensation	592	468	1,101	1,086
Depreciation and amortization	357	181	697	363
Selling, General and Administrative Expenses
Depreciation and amortization	$ 1,046	$ 907	$ 2,105	$ 1,769