Consolidated Statements of Operations (Parenthetical) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Direct operating expenses	$ 28,538	$ 27,044	$ 56,103	$ 53,729
Non-cash stock-based compensation			1,890	1,807
Depreciation and amortization	3,885	3,958	7,912	7,920
Related Parties
Direct operating expenses	2,536	2,255	4,847	4,422
Depreciation and amortization	580	580	1,160	1,161
Direct Operating Expenses
Non-cash stock-based compensation	300	348	621	706
Depreciation and amortization	2,294	2,555	4,749	5,118
Corporate Expenses
Non-cash stock-based compensation	644	592	1,269	1,101
Depreciation and amortization	361	357	734	697
Selling, General and Administrative Expenses
Depreciation and amortization	$ 1,230	$ 1,046	$ 2,429	$ 2,105