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Business Acquisitions - Additional Information (Detail) $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 20, 2019 USD ($) | Jul. 01, 2019 USD ($) | Jan. 10, 2019 USD ($) Business | Dec. 31, 2019 USD ($) Business | Mar. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Business combination, number of businesses acquired | Business |  |  |  | 3 |
Business combination, cash consideration | $ 10,000 |  |  | $ 37,972 |
Business combination, cash acquired |  |  |  | 981 |
Business combination, deferred consideration paid |  |  |  | 3,051 |
Business combination, liabilities assumed | 1,407 |  |  | 19,867 |
Business combination, capitalized cost in asset acquisition | 6 |  |  | 14 |
Business combination, total consideration |  |  |  | 60,904 |
Business combination, allocation of purchase price, goodwill |  |  |  | 46,557 | $ 41,974
Business combination, allocation of purchase price, working capital and fixed assets |  |  |  | 10,432 |
Business combination, allocation purchase price, indemnification assets |  |  |  | 3,384 |
Product Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, cash consideration |  | $ 7,293 |  |  |
Business combination, liabilities assumed |  | 300 |  |  |
Business combination, capitalized cost in asset acquisition |  | 8 |  |  |
Business combination, allocation of purchase price, inventory |  | 1,293 |  |  |
Defensive and Agrovant |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, number of businesses acquired | Business |  |  | 2 |  |
Business combination, cash consideration |  |  | $ 20,679 |  |
Business combination, cash acquired |  |  | 981 |  |
Business combination, deferred consideration paid |  |  | 3,051 |  |
Business combination, liabilities assumed |  |  | 18,160 |  |
Business combination, total consideration |  |  | 41,890 |  |
Business combination, allocation of purchase price, goodwill |  |  | 22,652 | 22,652 |
Business combination, allocation of purchase price, working capital and fixed assets |  |  | 9,139 |  |
Business combination, allocation purchase price, indemnification assets |  |  | 3,384 |  |
Business combination, liabilities assumed, tax |  |  | 9,111 |  |
Product Registrations and Product Rights |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, allocation purchase price of intangible assets | 8,171 |  |  | 13,279 |
Product Registrations and Product Rights | Product Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, allocation purchase price of intangible assets |  | 5,108 |  |  |
Trade Names |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, allocation purchase price of intangible assets | $ 3,242 |  |  | 5,452 |
Trade Names | Product Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, allocation purchase price of intangible assets |  | $ 1,200 |  |  |
Trade Names | Defensive and Agrovant |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, allocation purchase price of intangible assets |  |  | 1,010 |  |
Customer Relationships |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, allocation purchase price of intangible assets |  |  |  | $ 5,705 |
Customer Relationships | Defensive and Agrovant |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, allocation purchase price of intangible assets |  |  | $ 5,705 |  |

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