Equity - Additional Information - Stock Issuance - Shares Issued to PM Group (Detail) - Jan. 15, 2015 - PM Group [Member] € in Thousands, $ in Thousands	USD ($) shares	EUR (€) shares	EUR (€)
Class of Warrant or Right [Line Items]
Aggregate consideration payment	$ 30,436	€ 25,852
Cash consideration	$ 20,312	€ 17,142
Common stock of company	994,483	994,483
Common stock consideration, value	$ 10,124		€ 8,710

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

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Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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

-Publisher FASB

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Topic 230

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