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Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits, beginning balance $ 8,583 $ 8,644
Gross increases - tax positions in prior period 229 244
Gross increases - current-period tax positions 769 745
Settlements (1,864) (1,050)
Unrecognized tax benefits, ending balance $ 7,717 $ 8,583