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Investments - Additional Information (Detail)
 3 Months Ended
Mar. 31, 2017
USD ($)
MXN / $
Mar. 31, 2016
USD ($)
MXN / $
Dec. 31, 2016
USD ($)
MXN / $
Schedule of Equity Method Investments [Line Items]      
Equity in earnings (losses), net of taxes $ 540,000 $ (150,000)  
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 | MXN / $ 18.73   20.70
Increase decrease in equity method investment $ 1,300,000 (600,000)  
Equity in earnings (losses), net of taxes 500,000 (200,000)  
Equity in earnings (losses), deferred taxes benefit (expense) 200,000 $ (200,000)  
Fair value of investment 32,100,000   $ 29,000,000
Carrying value of investment 24,100,000   22,500,000
Grupo Vasconia S.A.B. | Prepaid expenses and other current assets      
Schedule of Equity Method Investments [Line Items]      
Due from related party 59,000   83,000
Grupo Vasconia S.A.B. | Accounts payable and accrued expenses      
Schedule of Equity Method Investments [Line Items]      
Due to related party $ 116,000   $ 220,000
Grupo Vasconia S.A.B. | Transaction 02      
Schedule of Equity Method Investments [Line Items]      
Average daily exchange rate for period - MXN to USD | MXN / $ 20.30 18.02