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Long-Term Debt And Other Long-Term Liabilities Long-Term Debt and Other Long-Term Liabilities (Capital Leases) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Ending December 31, [Abstract]    
2016 $ 6,168  
2017 6,168  
2018 6,168  
2019 6,168  
2020 6,168  
2021 3,769  
Total future payments 34,609  
Less payments related to:    
Maintenance 9,445  
Interest 2,698  
Present value of future minimum payments $ 22,466 $ 25,876