Annual report pursuant to Section 13 and 15(d)

Acquisition - Intangible Assets Acquired (Details)

v3.10.0.1
Acquisition - Intangible Assets Acquired (Details) - Sovitec Mondial S.A. - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Jun. 12, 2017
Business Acquisition [Line Items]    
Intangible assets subject to amortization $ 3,659  
Total 5,753 $ 0
Trademarks    
Business Acquisition [Line Items]    
Intangible assets subject to amortization $ 1,767  
Weighted average expected useful life (in years) 11 years  
Technical know-how    
Business Acquisition [Line Items]    
Intangible assets subject to amortization $ 1,892  
Weighted average expected useful life (in years) 11 years  
Trade names    
Business Acquisition [Line Items]    
Trade names, not subject to amortization $ 2,094