XML 73 R56.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes - Narrative (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2018
USD ($)
state
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Entity Location [Line Items]        
U.S. federal statutory rate       35.00%
Tax Cuts and Jobs Act of 2017, Provisional income tax expense (benefit) $ 27,300,000 $ 1,500,000    
Undistributed earnings of foreign subsidiaries   204,700,000    
Valuation allowance 6,219,000 $ 6,430,000 $ 6,219,000  
Income tax benefit, percent of likelihood of being realized upon settlement   5000.00%    
Unrecognized tax benefits 0 $ 0 0  
Income tax penalties and interest accrued $ 0 0 0  
Income tax penalties and interest expense   $ 0 $ 0 $ 0
Number of states subject to examination in years prior to 2010 | state   6    
United States        
Entity Location [Line Items]        
U.S. federal statutory rate   21.00% 35.00%  
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   37.00%    
NETHERLANDS        
Entity Location [Line Items]        
U.S. federal statutory rate   0.00%