Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 45,238	$ 58,719
Trade receivables, net of allowance for doubtful accounts of $4,459 and $3,926 (including related parties of $6,063 and $5,608)	48,059	44,270
Prepaid expenses and other current assets (including related parties of $274 and $274)	6,876	5,939
Total current assets	100,173	108,928
Property and equipment, net	62,063	65,226
Intangible assets subject to amortization, net (including related parties of $21,459 and $23,513)	22,457	24,598
Intangible assets not subject to amortization	220,701	220,701
Goodwill	36,647	36,647
Other assets	9,466	11,221
Total assets	451,507	467,321
Current liabilities
Advances payable, related parties	118	118
Accounts payable, accrued expenses and other liabilities (including related parties of $4,121 and $5,691)	32,382	39,750
Total current liabilities	32,500	39,868
Long-term debt, less current maturities (net of bond discount of $3,497 and $4,134)	360,299	379,662
Other long-term liabilities	8,070	8,327
Deferred income taxes	43,510	40,025
Total liabilities	444,379	467,882
Commitments and contingencies (note 4)
Stockholders' equity (deficit)
Additional paid-in capital	940,238	938,453
Accumulated deficit	(933,118)	(939,022)
Total stockholders' equity (deficit)	7,128	(561)
Total liabilities and stockholders' equity (deficit)	451,507	467,321
Class A Common Stock
Stockholders' equity (deficit)
Common stock	5	5
Class B Common Stock
Stockholders' equity (deficit)
Common stock	2	2
Class U common stock
Stockholders' equity (deficit)
Common stock	$ 1	$ 1