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Income Taxes Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance as of beginning of year $ 388 $ 146
Additions for tax positions related to the current year 63 63
Additions for tax positions related to prior years 0 262
Reduction due to lapse of statute of limitations (150) (83)
Balance as of end of year $ 301 $ 388