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Income Taxes Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
state
Dec. 31, 2014
USD ($)
Entity Location [Line Items]    
Income tax (benefit) expense for discontinued operations   $ (147)
Undistributed Earnings of Foreign Subsidiaries $ 100,996  
Hypothetical Tax Liability From Repatriated Foreign Earnings $ 2,299  
Income tax benefit, percent of likelihood of being realized upon settlement 5000.00%  
Number of states subject to examination in years prior to 2010 | state 6  
United States    
Entity Location [Line Items]    
Federal statutory income tax rate 35.00% 35.00%
Mexico    
Entity Location [Line Items]    
Federal statutory income tax rate 30.00%  
Guatemala    
Entity Location [Line Items]    
Federal statutory income tax rate 25.00%  
EL Salvador    
Entity Location [Line Items]    
Federal statutory income tax rate 30.00%