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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Tax Reconciliation [Line Items] |  |  |
Foreign net operating loss carryforwards expiration period start year | 2014 |  |
Foreign net operating loss carryforwards expiration period end year | 2018 |  |
Valuation allowance | $ 1,420,000 | $ 2,329,000 |
Impact of valuation allowances on Income tax provision | 1,100,000 |  |
Net decrease in valuation allowance from the prior year | (900,000) |  |
Expiration U.S. capital loss carryforward | 2,000,000 |  |
Deferred tax liability not established by the company | 129,000,000 |  |
Income taxes paid, net of refunds | 19,900,000 | 16,000,000 | 14,000,000
Recognized accrued interest and penalties lapsed | 100,000 | 100,000 | 100,000
Payment of interest accrued | 600,000 | 600,000 | 500,000
Accrued penalties payment | 300,000 | 300,000 | 300,000
Unrecognized tax benefits that would impact effective tax rate | 0 | 700,000 | 500,000
Foreign Country [Member] |  |  |
Income Tax Reconciliation [Line Items] |  |  |
Foreign net operating loss carryforwards | 1,200,000 |  |
Foreign net operating loss carryfowards, valuation allowance, amount | 1,200,000 |  |
Other Foreign Deferred Tax Assets [Member] |  |  |
Income Tax Reconciliation [Line Items] |  |  |
Foreign net operating loss carryfowards, valuation allowance, amount | $ 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=6907707&loc=d3e32537-109319 + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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