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Long-Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Senior Secured Notes [Member]
   
Long-term Debt    
Maturity Date Apr. 15, 2018  
Long-term Debt $ 195,000 $ 195,000
Senior Secured Credit Note [Member]
   
Long-term Debt    
Maturity Date Jul. 31, 2013  
Long-term Debt      
Subordinated Note [Member]
   
Long-term Debt    
Maturity Date Jan. 31, 2014  
Long-term Debt