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Acquisition (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 09, 2018
Mar. 31, 2018
Mar. 31, 2017
Business Acquisition [Line Items]      
Payments to acquire business   $ 11,000 $ 0
Globe Natural [Member]      
Business Acquisition [Line Items]      
Payments to acquire business $ 10,500    
Purchase price excess on carrying value of the net assets allocated to intangible assets and goodwill $ 8,400