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Investments - Additional Information (Detail)
BRL in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
MXN / $
Sep. 30, 2015
USD ($)
MXN / $
Sep. 30, 2016
USD ($)
MXN / $
Sep. 30, 2016
BRL
MXN / $
Sep. 30, 2015
USD ($)
MXN / $
Dec. 31, 2015
USD ($)
MXN / $
Schedule of Equity Method Investments [Line Items]            
Equity in losses, net of taxes $ (138,000) $ (459,000) $ (270,000)   $ (169,000)  
Reclassification of losses for currency translation out of Other comprehensive income (loss) and into to Equity in earnings (losses) [1]     (378,000)      
Sales proceeds from disposal of equity method investment     567,000      
GS Internacional S/A            
Schedule of Equity Method Investments [Line Items]            
Carrying value of investment $ 0   $ 0      
Equity interest, percentage sold     40.00% 40.00%    
Reclassification of losses for currency translation out of Other comprehensive income (loss) and into to Equity in earnings (losses)     $ 378,000      
Sales proceeds from disposal of equity method investment     567,000 BRL 2.3    
Gain on disposal of equity method investment     $ 189,000      
Grupo Vasconia S.A.B.            
Schedule of Equity Method Investments [Line Items]            
Percentage of ownership in equity method investment 30.00%   30.00%      
Exchange rate at period end - MXN to USD | MXN / $ 19.54   19.54     17.38
Decrease in equity method investment     $ (2,500,000)   (5,100,000)  
Equity in losses, net of taxes $ (138,000) (500,000) (459,000)   (200,000)  
Equity in losses, deferred taxes 100,000 $ 800,000 500,000   $ 1,300,000  
Fair value of investment 31,400,000   31,400,000     $ 35,900,000
Carrying value of investment $ 22,300,000   $ 22,300,000     24,700,000
Grupo Vasconia S.A.B. | Transaction 02            
Schedule of Equity Method Investments [Line Items]            
Average daily exchange rate for period - MXN to USD | MXN / $ 18.73 16.41        
Grupo Vasconia S.A.B. | Transaction 02 | Minimum            
Schedule of Equity Method Investments [Line Items]            
Average daily exchange rate for period - MXN to USD | MXN / $     17.79 17.79 14.94  
Grupo Vasconia S.A.B. | Transaction 02 | Maximum            
Schedule of Equity Method Investments [Line Items]            
Average daily exchange rate for period - MXN to USD | MXN / $     18.27 18.27 16.41  
Grupo Vasconia S.A.B. | Prepaid expenses and other current assets            
Schedule of Equity Method Investments [Line Items]            
Due from related party $ 182,000   $ 182,000     55,000
Grupo Vasconia S.A.B. | Accrued expenses and accounts payable            
Schedule of Equity Method Investments [Line Items]            
Due to related party $ 130,000   $ 130,000     $ 28,000
[1] Amount is recorded in equity in earnings (losses) on the condensed consolidated statements of operations.