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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 |  |  |  |

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