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Investments - Additional Information (Detail)
BRL in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
MXN / $
Jun. 30, 2016
BRL
MXN / $
Jun. 30, 2015
USD ($)
MXN / $
Jun. 30, 2016
USD ($)
MXN / $
Jun. 30, 2015
USD ($)
MXN / $
Dec. 31, 2015
USD ($)
MXN / $
Schedule of Equity Method Investments [Line Items]            
Equity in earnings (losses), net of taxes $ 18,000   $ 2,000 $ (132,000) $ 290,000  
Reclassification of losses for currency translation out of Other comprehensive income (loss) and into to Equity in earnings (losses) [1] (378,000)     (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 / $ 18.51     18.51   17.38
Decrease in equity method investment       $ (1,700,000) (2,500,000)  
Equity in earnings (losses), net of taxes $ (171,000)   2,000 (321,000) 296,000  
Equity in earnings (losses), deferred taxes 300,000   $ 600,000 500,000 $ 600,000  
Fair value of investment 33,800,000     33,800,000   $ 35,900,000
Carrying value of investment $ 23,200,000     $ 23,200,000   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 / $ 18.09 18.09 15.31      
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 / $       18.06 15.13  
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 / $       18.07 15.19  
Grupo Vasconia S.A.B. | Prepaid expenses and other current assets            
Schedule of Equity Method Investments [Line Items]            
Due from related party           55,000
Grupo Vasconia S.A.B. | Accrued expenses and accounts payable            
Schedule of Equity Method Investments [Line Items]            
Due to related party $ 71,000     $ 71,000   $ 28,000
[1] Amount is recorded in equity in earnings (losses) on the condensed consolidated statements of operations.