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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Tax Reconciliation [Line Items] |  |  |
Foreign net operating loss carryforwards expiration period start year | 2024 |  |
Foreign net operating loss carryforwards expiration period end year | 2026 |  |
State net operating loss carryforwards expiration period | 2036 |  |
Valuation allowance | $ 3,805,000 | $ 5,209,000 |
Net decrease in valuation allowance from the prior year | 1,400,000 |  |
Deferred tax liability not established by the company | 88,500,000 |  |
Income taxes paid, net of refunds | 6,900,000 | 12,300,000 | $ 7,700,000
Recognized accrued interest and penalties reversed | 100,000 | 100,000 | 100,000
Payment of interest accrued | 0 | 100,000 | 600,000
Accrued penalties payment | 0 | 200,000 | 200,000
Unrecognized tax benefits that would impact effective tax rate | 0 | 200,000 | 200,000
Reversal of unrecognized tax benefits for the expiration of statutes of limitation | 178,000 | $ 0 | $ 0
Foreign Country [Member] |  |  |
Income Tax Reconciliation [Line Items] |  |  |
Net operating loss carryforwards | 10,800,000 |  |
Net operating loss carryforwards, definite | 800,000 |  |
Net operating loss carryforward, indefinite | 10,000,000 |  |
State [Member] |  |  |
Income Tax Reconciliation [Line Items] |  |  |
Net operating loss, tax benefits | $ 200,000 |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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