Consolidated Statements Of Operations (Parenthetical) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Direct operating expenses	$ 22,582	$ 21,011	$ 65,890	$ 63,941
Non-cash stock-based compensation			1,359	1,603
Depreciation and amortization	5,015	4,867	14,172	14,464
Interest expense	9,444	4,394	28,346	15,171
Related Parties [Member]
Direct operating expenses	2,366	2,751	5,885	8,253
Depreciation and amortization	1,205	893	2,725	2,319
Interest expense	0	15	30	69
Direct Operating Expenses [Member]
Non-cash stock-based compensation	51	104	155	312
Depreciation and amortization	3,333	3,365	10,011	10,239
Selling, General and Administrative Expenses [Member]
Non-cash stock-based compensation	157	147	472	442
Depreciation and amortization	797	878	2,416	2,719
Corporate Expenses [Member]
Non-cash stock-based compensation	287	357	732	849
Depreciation and amortization	$ 885	$ 623	$ 1,745	$ 1,507