Consolidated Statements of Operations (Parenthetical) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Direct operating expenses	$ 22,876	$ 22,487	$ 44,510	$ 43,308
Non-cash stock-based compensation	700	500	998	864
Depreciation and amortization	4,076	4,425	8,423	9,157
Interest expense	8,959	9,459	18,059	18,902
Direct Operating Expenses
Non-cash stock-based compensation	43	53	56	104
Depreciation and amortization	3,076	3,352	6,217	6,678
Selling, General and Administrative Expenses
Non-cash stock-based compensation	215	159	324	315
Depreciation and amortization	720	798	1,437	1,619
Corporate Expenses
Non-cash stock-based compensation	479	289	618	445
Depreciation and amortization	280	275	769	860
Related Parties
Direct operating expenses	2,461	1,815	4,705	3,519
Depreciation and amortization	580	627	1,473	1,520
Interest expense	$ 0	$ 15	$ 0	$ 30