CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Network operations, equity-based compensation expense	$ 126	$ 95	$ 266	$ 142
Selling, general, and administrative, equity-based compensation expense	$ 1,881	$ 1,701	$ 3,837	$ 2,818

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