Consolidated Statements Of Operations (Parenthetical) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Direct operating expenses	$ 22,487	$ 22,162	$ 43,308	$ 42,930
Non-cash stock-based compensation			864	995
Depreciation and amortization	4,425	4,874	9,157	9,597
Interest expense	9,459	5,263	18,902	10,777
Related Parties [Member]
Direct operating expenses	1,815	3,151	3,519	5,502
Depreciation and amortization	627	846	1,520	1,426
Interest expense	15	25	30	54
Direct Operating Expenses [Member]
Non-cash stock-based compensation	53	103	104	208
Depreciation and amortization	3,352	3,385	6,678	6,874
Selling, General and Administrative Expenses [Member]
Non-cash stock-based compensation	159	147	315	295
Depreciation and amortization	798	903	1,619	1,841
Corporate Expenses [Member]
Non-cash stock-based compensation	289	286	445	492
Depreciation and amortization	$ 275	$ 586	$ 860	$ 883