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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Income Tax [Line Items] |  |
Undistributed non-U.S. subsidiary earnings | $ 22,500,000 |
Undistributed earnings subject to U.S. federal income tax | 7,900,000 |
Valuation allowance | 10,201,000 | 1,939,000
Liability for uncertain tax positions | 2,900,000 | 3,800,000
Reversal of liability for uncertain tax positions | 2,200,000 |
Unrecognized tax benefits | $ 2,300,000 |
Minimum |  |
Income Tax [Line Items] |  |
Operating loss carryforward period | 20 |
Maximum |  |
Income Tax [Line Items] |  |
Operating loss carryforward period | Indefinite |

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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=6907707&loc=d3e32537-109319 + Details
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