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Income Taxes Income Tax Rates (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Income Tax Rate Disclosures [Abstract]    
Effective tax rate, forecasted 35.80%  
Effective Income Tax Rate, Continuing Operations, Forecasted Increase (Decrease) in Rate 3.80%  
Effective Income Tax Rate, Continuing Operations   32.00%
Effective tax rate, including loss jurisdictions 36.10%  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 2  
Effective Tax Rate, After Discreet Benefits 36.50%