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Product and Business Acquisitions - Additional Information (Detail) $ in Thousands |  |  |  |  | 1 Months Ended | 12 Months Ended |
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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 |

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