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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2015
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income Tax Reconciliation [Line Items]          
Effective income tax rate   27.00% 90.00% 27.00% 45.00%
U.S.federal statutory tax rate   35.00%      
Reversal of unrecognized tax benefits for the expiration of statutes of limitation       $ 200  
Deferred tax asset noncurrent $ 12,704 $ 13,910   13,910  
Deferred tax liability noncurrent 2,467 2,516   2,516  
Unrecognized tax benefits   0   0  
Asia-Pacific [Member]          
Income Tax Reconciliation [Line Items]          
Valuation allowance   400   400  
Deferred tax benefit recognized due to release of valuation allowance   $ 400   $ 400  
Adjustments for New Accounting Pronouncement [Member]          
Income Tax Reconciliation [Line Items]          
Increase (decrease) in deferred tax asset 7,400        
Increase (decrease) in deferred tax liability (1,000)        
Restatement Adjustment [Member] | Adjustments for New Accounting Pronouncement [Member]          
Income Tax Reconciliation [Line Items]          
Deferred tax asset current (8,600)        
Deferred tax asset noncurrent 8,600        
Deferred tax liability current (200)        
Deferred tax liability noncurrent $ 200