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Income Taxes - Narrative (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
state
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Entity Location [Line Items]      
U.S. federal statutory rate     35.00%
Tax Cuts and Jobs Act of 2017, Provisional income tax expense (benefit) $ 1,500,000    
Undistributed earnings of foreign subsidiaries 256,500,000    
Valuation allowance $ 6,012,000 $ 6,430,000  
Income tax benefit, percent of likelihood of being realized upon settlement 5000.00%    
Unrecognized tax benefits $ 0 0  
Income tax penalties and interest accrued 0 0  
Income tax penalties and interest expense $ 0 0 $ 0
Number of states subject to examination in years prior to 2010 | state 6    
Other Tax Expense (Benefit) $ 1,100,000 $ 800,000  
United States      
Entity Location [Line Items]      
U.S. federal statutory rate 21.00% 21.00%  
Mexico      
Entity Location [Line Items]      
U.S. federal statutory rate 30.00%    
Guatemala      
Entity Location [Line Items]      
U.S. federal statutory rate 25.00%    
EL Salvador      
Entity Location [Line Items]      
U.S. federal statutory rate 30.00%    
COLOMBIA      
Entity Location [Line Items]      
U.S. federal statutory rate 33.00%    
NETHERLANDS      
Entity Location [Line Items]      
U.S. federal statutory rate 0.00%