Product and Business Acquisitions - Additional Information (Detail) $ in Thousands					1 Months Ended	12 Months Ended
	Oct. 08, 2020 USD ($)	Oct. 02, 2020 USD ($)	Jan. 10, 2019 USD ($) Business	Nov. 08, 2018 USD ($)	Jan. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) Business	Dec. 31, 2019 USD ($) Business Productline	Dec. 31, 2018 USD ($) Business Productline	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Business combination, cash consideration						$ 19,342	$ 37,972	$ 19,851
Business combination, number of businesses acquired | Business						2	3	4
Business combination, cash acquired						$ 1,970	$ 981	$ 1,600
Business combination, deferred consideration paid						2,007
Net asset adjustment						623
Business combination, liabilities assumed						10,288	19,867	1,750
Business combination bargain purchase gain amount						4,657
Proposed acquisition of consideration						36,917	60,904	27,283
Business combination, allocation of purchase price, goodwill						8,672
Business combination, allocation of purchase price, working capital and fixed assets						19,773	10,432
Business combination, allocation of purchase price, working capital								121
Business combination,trade receivables	$ 1,508
Business combination, allocation of purchase price, property, plant and equipment								27
Business combination, contingent consideration							3,051
Business combination undiscounted payout	2,811
Business combination, allocation of purchase price, goodwill						52,108	46,673	25,906	$ 22,300
Business Combination, revenue recognized	3,141
Business combination, net income recognized	477
Business combination, capitalized cost in asset acquisition							14	108
Business combination, allocation purchase price, indemnification assets							3,384
Business combination, allocation of purchase price, inventory								5,461
Business combination, fair value of Company's pre-existing ownership position								2,044
Business combination, allocation of purchase price, deferred tax assets								1,610
Product Lines Acquisition
Business Acquisition [Line Items]
Business combination, cash consideration							17,307
Business combination, liabilities assumed							1,707
Business combination, capitalized cost in asset acquisition							$ 14
Business combination, number of product line acquired | Productline							2
Business combination, allocation of purchase price, inventory							$ 1,293
Business combination, contingent combination from one of the asset acquisitions								12,500
Agrinos Group
Business Acquisition [Line Items]
Business combination, cash consideration		$ 3,125
Business combination, cash acquired		1,813
Business combination, liabilities assumed		4,963
Business combination bargain purchase gain amount		4,657
Proposed acquisition of consideration		12,745
Business combination, liabilities assumed, tax		595
Business combination, allocation of purchase price, working capital		7,491
Business combination,trade receivables		2,358
Business combination, allocation of purchase price, property, plant and equipment		5,004
Business combination, allocation purchase price of intangible assets		$ 250
AgNova
Business Acquisition [Line Items]
Business combination, cash consideration	16,217
Business combination, cash acquired	157
Net asset adjustment	623
Business combination, liabilities assumed	5,325
Proposed acquisition of consideration	24,172
Business combination, liabilities assumed, tax	2,529
Business combination, allocation of purchase price, working capital	7,206
Business combination, allocation of purchase price, property, plant and equipment	73
Business combination, contingent consideration	2,007
Business combination, allocation of purchase price, goodwill	8,672
Defensive and Agrovant
Business Acquisition [Line Items]
Business combination, cash consideration			$ 20,679
Business combination, number of businesses acquired | Business			2
Business combination, cash acquired			$ 981
Business combination, deferred consideration paid			3,051
Business combination, liabilities assumed			18,160
Proposed acquisition of consideration			41,890
Business combination, allocation of purchase price, working capital and fixed assets			9,139
Business combination, liabilities assumed, tax			9,111
Business combination, allocation of purchase price, goodwill			22,652				22,652
Business combination, allocation purchase price, indemnification assets			3,384
E.I DuPont et Nemours and Company and BayerCropScience | Product Lines Acquisition
Business Acquisition [Line Items]
Business combination, cash consideration								21,335
Business combination, capitalized cost in asset acquisition								$ 108
Business combination, number of product line acquired | Productline								3
Business combination, allocation of purchase price, inventory								$ 5,378
Business combination, cash consideration					$ 3,530
TyraTech Inc.
Business Acquisition [Line Items]
Business combination, cash consideration				$ 2,154
Business combination, cash acquired								1,600
Business combination, liabilities assumed				$ 1,750
Business combination, allocation purchase price of intangible assets								180
Business combination, allocation of purchase price, working capital								115
Business combination, allocation of purchase price, property, plant and equipment								27
Business combination, allocation of purchase price, goodwill								3,927
Business combination, allocation of purchase price, deferred tax assets								1,610
Business combination, percentage of ownership				65.62%
Business combination, allocation of purchase price, other assets								89
Business combination, percentage of pre-existing ownership				34.38%
Business combination, recorded gain on step up the value of ownership								1,463
Product Registrations and Product Rights
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets						6,645	13,279	12,720
Product Registrations and Product Rights | Product Lines Acquisition
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets							13,279
Product Registrations and Product Rights | AgNova
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets	6,395
Trade Names, Trademarks and Patents
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets						1,195	5,452	2,678
Trade Names, Trademarks and Patents | Product Lines Acquisition
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets							4,442
Trade Names, Trademarks and Patents | AgNova
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets	1,195
Trade Names, Trademarks and Patents | Defensive and Agrovant
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets			1,010
Customer Relationships and Customer Lists
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets						$ 632	$ 5,705
Customer Relationships and Customer Lists | AgNova
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets	$ 632
Customer Relationships and Customer Lists | Defensive and Agrovant
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets			$ 5,705
Customer Lists
Business Acquisition [Line Items]
Business combination, allocation purchase price of intangible assets								$ 739