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Income Taxes (Details 3) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Components of the net deferred tax assets and liabilities    
Deferred Tax Asset-Current $ 4,967 $ 3,207
Deferred Tax Asset-Long-term 9,019 7,039
Net Deferred Tax Asset $ 13,986 $ 10,246