Employee Benefit Plans - Schedule of Changes to Post-Employment Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Beginning balance	$ 6,920	$ 6,930
Amounts accrued	1,111	1,019
Payments to employees/government managed plan	(1,186)	(1,331)
Foreign currency impacts	(821)	302
Ending balance	$ 6,024	$ 6,920

Amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type.

No definition available.

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- Details

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- Definition

Cash outflows for payments of postemployment benefits (such as severance pay and health insurance benefits) recognized during the period. Postemployment benefits are benefits paid to employees after employment but before retirement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

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- Definition

For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable after one year (or beyond the operating cycle if longer).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 712

-SubTopic 10

-Section 25

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6410138&loc=d3e79691-111665

+ Details

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- Definition

Period expense related to postemployment benefits.

+ References

No definition available.

+ Details

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