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Income Taxes - (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Income Taxes [Abstract]          
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest $ 10,593 $ 8,656 $ 30,154 $ 11,753  
Income Tax Expense (Benefit) $ 2,992 $ 2,629 $ 8,614 $ 3,878  
Effective Income Tax Rate 28.20% 30.40% 28.60% 33.00%  
Valuation Allowance, Amount $ 2,205   $ 2,205   $ 2,205