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Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Line Items]
Federal Income Tax Rate	35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Interest and penalties related to unrecognized tax benefits accrued	$ 215us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Undistributed foreign earnings reinvested	$ 23,803us-gaap_ForeignEarningsRepatriated	$ 16,202us-gaap_ForeignEarningsRepatriated
State and Local Jurisdiction | Minimum
Income Taxes [Line Items]
Income Tax Examination Period	2010
State and Local Jurisdiction | Maximum
Income Taxes [Line Items]
Income Tax Examination Period	2013
Federal | Minimum
Income Taxes [Line Items]
Income Tax Examination Period	2011
Federal | Maximum
Income Taxes [Line Items]
Income Tax Examination Period	2013

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 6.I)

-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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Amount of foreign earnings repatriated from subsidiaries outside the country of domicile.

+ References

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Tax year being audited in the income tax examination, in CCYY format.

+ References

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the 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

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