Consolidated Statements of Operations (Unaudited) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements of Operations [Abstract]
Revenues	$ 220,244	$ 210,788	$ 655,660	$ 632,836
Costs and expenses:
Service costs (exclusive of depreciation and amortization)	88,566	90,019	267,677	264,839
Selling, general and administrative expenses	44,872	42,986	130,117	124,727
Management fee expense	3,414	3,985	11,075	11,828
Depreciation and amortization	35,503	33,022	106,592	95,681
Operating income	47,889	40,776	140,199	135,761
Interest expense, net	(27,897)	(27,951)	(83,549)	(84,151)
Loss on derivatives, net	(17,159)	(12,631)	(21,363)	(32,507)
Other expense, net	(456)	(643)	(1,641)	(1,597)
Net income (loss)	2,377	(449)	33,646	17,506
Dividend to preferred members	4,500	4,500	13,500	13,500
Net (loss) income applicable to preferred members	$ (2,123)	$ (4,949)	$ 20,146	$ 4,006