Acquisitions - Additional Information (Details) - Senscient, Inc. - USD ($)		3 Months Ended
	Sep. 19, 2016	Mar. 31, 2017
Business Acquisition [Line Items]
Voting interest acquired (percentage)	100.00%
Purchase price	$ 19,100,000
Contingent consideration	0
Cash	700
Integration costs		$ 300,000
Amortization expense, year one		500,000
Amortization expense, year two		700,000
Amortization expense, year three		700,000
Amortization expense, year four		700,000
Amortization expense, year five		700,000
Goodwill	$ 10,500	$ 10,500,000
Technology-Based Intangible Assets
Business Acquisition [Line Items]
Intangible asset, useful life (years)		10 years
Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible asset, useful life (years)		5 years