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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax Reconciliation [Line Items] |  |  |
Foreign net operating loss carryforwards expiration period start year | 2017 |  |
Foreign net operating loss carryforwards expiration period end year | 2025 |  |
Valuation allowance | $ 5,209,000 | $ 3,614,000 |
Impact of valuation allowances on Income tax provision | 1,800,000 |  |
Net increase in valuation allowance from the prior year | 1,600,000 |  |
Impact of valuation allowances on Other Comprehensive Income | 200,000 |  |
Deferred tax liability not established by the company | 130,600,000 |  |
Income taxes paid, net of refunds | 12,300,000 | 7,700,000 | $ 19,900,000
Recognized accrued interest and penalties lapsed | 100,000 | 100,000 | 100,000
Payment of interest accrued | 100,000 | 600,000 | 600,000
Accrued penalties payment | 0 | 300,000 | 300,000
Unrecognized tax benefits that would impact effective tax rate | 200,000 | 200,000 | 0
Decrease in unrecognized tax benefits within next fiscal year due to effective settlement | 200,000 |  |
Reductions for tax positions of prior years | 616,000 | $ 0 | $ 588,000
Reduction in unrecognized tax benefits resulting from resolution of audit | 200,000 |  |
Tax benefit resulting from reduction of accrued interest | 500,000 |  |
Tax benefit resulting from reduction of accrued penalties | 100,000 |  |
Maximum [Member] | Foreign Country [Member] |  |  |
Income Tax Reconciliation [Line Items] |  |  |
Foreign net operating loss carryforwards | 3,600,000 |  |
Minimum [Member] | Foreign Country [Member] |  |  |
Income Tax Reconciliation [Line Items] |  |  |
Foreign net operating loss carryforwards | $ 500,000 |  |

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