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Related Party Transactions (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Aggregate voting power held by related party     70.00%  
Net revenues from related parties $ 8,102 $ 8,028 $ 16,175 $ 15,968
Technical and operating charges from related parties 310 1,396 310 2,601
Transition service fees included in SG&A expenses $ 1,108 $ 26,459 $ 3,104 $ 50,750
Class A [Member]
       
Percentage of common stock owned by related party     3.00%  
Class B [Member]
       
Percentage of common stock owned by related party     100.00%