Property, Plant and Equipment - Additional Information (Detail) € in Thousands, $ in Thousands	Mar. 31, 2018 USD ($)	Mar. 31, 2018 EUR (€)	Dec. 31, 2017 USD ($)
Property Plant And Equipment [Abstract]
Land and Building	$ 2,939	€ 2,098
Capital leased assets gross value	3,907		$ 4,082
Capital lease, lease related accumulated amortization	$ 956		$ 1,101

The cost of land and buildings as of the reporting date that are held as collateral for outstanding obligations as of the reporting date.

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

+ References

+ Details

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Period Type:	instant

- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45014-112735

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 2)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

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- References

No definition available.

+ Details

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