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Income Taxes (Details 4) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Beginning Balance $ 3,073 $ 3,624 $ 3,624
Charges to income tax expense 0 0 0
Settlement of uncertainty   (551)  
Ending Balance $ 3,073 $ 3,073 $ 3,624