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Equity Investments - Additional Information (Detail)
R$ in Millions
 12 Months Ended
Dec. 31, 2017
USD ($)
$ / $
Dec. 31, 2016
USD ($)
$ / $
Dec. 31, 2016
BRL (R$)
$ / $
Dec. 31, 2015
USD ($)
$ / $
Feb. 09, 2012
USD ($)
Schedule of Equity Method Investments [Line Items]          
Equity in earnings (losses), net of taxes $ 407,000 $ 748,000   $ 574,000  
Currency translation losses recognized upon the sales of equity interest   (378,000)      
GS Internacional S/A          
Schedule of Equity Method Investments [Line Items]          
Carrying value of investment   $ 0      
Equity interest, percentage sold   40.00% 40.00%    
Currency translation losses recognized upon the sales of equity interest   $ 378,000      
Sales proceeds from disposal of equity method investment   567,000 R$ 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%        
Exchange rate at period end - MXN to USD | $ / $ 19.68 20.70      
Increase (Decrease) in equity method investment $ 1,000,000 $ (3,200,000)   (4,900,000)  
Cash dividend received 28,000 205,000   226,000  
Equity in earnings (losses), net of taxes 400,000 600,000   600,000  
Equity in earnings, deferred taxes 200,000 (500,000)   $ (1,300,000)  
Fair value of investment 31,800,000        
Carrying value of investment 23,800,000        
Grupo Vasconia S.A.B. | Prepaid expenses and other current assets          
Schedule of Equity Method Investments [Line Items]          
Due from related party 64,000 83,000      
Grupo Vasconia S.A.B. | Accounts payable and accrued expenses          
Schedule of Equity Method Investments [Line Items]          
Due to related party $ 0 $ 220,000      
Grupo Vasconia S.A.B. | Transaction 02 | Minimum          
Schedule of Equity Method Investments [Line Items]          
Average daily exchange rate for period - MXN to USD | $ / $ 17.81 18.02 18.02 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 | $ / $ 20.30 19.85 19.85 16.76  
Grand Venture          
Schedule of Equity Method Investments [Line Items]          
Percentage of ownership in equity method investment         50.00%
Equity in earnings (losses), net of taxes $ (8,000) $ (11,000)   $ (20,000)  
Carrying value of investment $ 228,000 $ 256,000      
Payment for equity method investment         $ 500,000