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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Income Tax [Line Items] |  |
Undistributed non-U.S. subsidiary earnings | $ 46,800 |
Undistributed earnings subject to U.S. federal income tax | 16,400 |
Valuation allowance | 13,167 | $ 14,442
Deferred tax liability not recognized related to tax basis difference in investment in foreign subsidiaries | $ 7,600 |
Income tax year under examination | 2012 |
Liability for uncertain tax positions | $ 8,100 | $ 2,800
Increase decrease in liability for uncertain tax positions | 5,300 |
Unrecognized tax benefits | $ 5,800 |
Minimum |  |
Income Tax [Line Items] |  |
Operating loss carryforward period | 20 |
Maximum |  |
Income Tax [Line Items] |  |
Operating loss carryforward period | indefinite |

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