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Restructuring - Additional Information (Detail) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015 USD ($) People	Jun. 30, 2015 USD ($) People	Jun. 30, 2014 USD ($) People
Reorganizations [Abstract]
Charged to expense | $	$ 219	$ 1,007	$ 747
Approximate number of workforce reduction from the company's headcount	123	123	75

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The number of positions eliminated during the period as a result of restructuring activities.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 230



-SubTopic 10



-Section 45



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-Name Staff Accounting Bulletin (SAB)



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