Condensed Consolidated Statements Of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
REVENUE	$ 51,556	$ 52,208	$ 170,131	$ 147,249
EXPENSES:
Depreciation and amortization	37,703	34,052	106,924	99,712
Cost of sales	104	13	352	68
Selling, general and administrative	4,845	7,637	20,642	23,127
Total operating expenses	42,652	41,702	127,918	122,907
INCOME FROM OPERATIONS	8,904	10,506	42,213	24,342
Interest expense, net	(7,266)	(7,198)	(21,738)	(27,622)
Foreign currency exchange gains (losses)	1,051	(1,631)	1,036	(1,174)
Loss on early extinguishment of debt	0	(7,912)	0	(7,912)
Gain on sale of marketable securities	0	0	230	2,467
Other income	227	44	710	208
Income (loss) before income taxes	2,916	(6,191)	22,451	(9,691)
Provision (benefit) for income taxes	1,787	(1,080)	5,346	(65)
NET INCOME (LOSS)	$ 1,129	$ (5,111)	$ 17,105	$ (9,626)