Consolidated Statements Of Operations (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Direct operating expenses	$ 21,634	$ 20,821
Non-cash stock-based compensation	261	363
Depreciation and amortization	4,347	4,732
Interest expense	9,100	9,443
Direct Operating Expenses [Member]
Non-cash stock-based compensation	13	51
Depreciation and amortization	3,141	3,327
Selling, General And Administrative Expenses [Member]
Non-cash stock-based compensation	109	156
Depreciation and amortization	717	821
Corporate Expenses [Member]
Non-cash stock-based compensation	139	156
Depreciation and amortization	489	584
Related Parties [Member]
Direct operating expenses	2,244	1,704
Depreciation and amortization	893	893
Interest expense	$ 0	$ 15