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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]    
Balances at beginning balance $ 221 $ 1,697
Decrease for positions taken in prior years (158) (1,476)
Balances at ending balance $ 63 $ 221