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Income Taxes (Schedule of Unrecognized Tax Benefits Rollforward) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at the beginning of the period $ 0 $ 0 $ 86
Changes in tax positions for prior years 0 0 (86)
Balance at the end of the period $ 0 $ 0 $ 0