Consolidated Statements of Operations (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Direct operating expenses	$ 26,753	$ 25,988	$ 51,629	$ 50,213
Non-cash stock-based compensation	600	1,400	1,303	2,241
Depreciation and amortization	3,503	3,820	7,018	7,775
Direct Operating Expenses
Non-cash stock-based compensation	127	295	217	479
Depreciation and amortization	2,415	2,899	4,886	5,931
Corporate Expenses
Non-cash stock-based compensation	468	1,074	1,086	1,762
Depreciation and amortization	181	207	363	417
Selling, General and Administrative Expenses
Depreciation and amortization	907	714	1,769	1,427
Related Parties
Direct operating expenses	2,944	2,649	5,236	4,942
Depreciation and amortization	$ 579	$ 580	$ 1,160	$ 1,161