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Litigation and Environmental - Additional Information (Detail) $ in Thousands |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Nov. 10, 2016 USD ($) | Mar. 29, 2016 Case | Apr. 07, 2014 Case | May 31, 2012 Case Plaintiff Person | Dec. 31, 2017 Case | Jan. 31, 2017 USD ($) Case | Dec. 31, 2017 USD ($) Case Plaintiff
United States Lawsuits |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits |  |  |  |  |  |  | 3
Legal costs and fees | $ | $ 2,350 |  |  |  |  |  |
U.S. State District Court Abad Castillo And Marquinez |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of Lawsuits Filed |  |  |  | 2 |  |  |
Number of claimants | Person |  |  |  | 2,700 |  |  |
U.S. State District Court Abad Castillo | Hendler Law Firm |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of plaintiffs required to be dismissed | Plaintiff |  |  |  | 22 |  |  |
Number of plaintiffs dismissed |  |  |  | 14 |  |  |
Superior Court Abad Castillo And Marquinez |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of Lawsuits Filed |  |  |  | 57 |  |  |
Harold Reed v. AMVAC et al. |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits filed |  | 2 |  |  |  |  |
Reed |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss contingency damages sought, value | $ |  |  |  |  |  | $ 250 |
Jem Holdings |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss contingency damages sought, value | $ |  |  |  |  |  | $ 60 |
Cross Claims |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  | 4 |
Van Giessen Growers, Inc. |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss contingency estimate of possible loss | $ |  |  |  |  |  | $ 400 |
Chin Coulee Farms |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss contingency estimate of possible loss | $ |  |  |  |  |  | 530 |
Houweling Farms |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss contingency estimate of possible loss | $ |  |  |  |  |  | $ 4,300 |
Galvan Matter |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  | 1 |  |
Number of claims granted |  |  | 7 |  |  |  |
Nicaraguan |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of claimants | Plaintiff |  |  |  |  |  |  | 3,592
Nicaraguan | Special Law |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  | 2
Number of claimants | Plaintiff |  |  |  |  |  |  | 57
Nicaraguan | Public Law |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  | 85
Nicaraguan | Compensatory Damages |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Value of claims paid | $ |  |  |  |  |  |  | $ 1,000
Nicaraguan | Punitive Damages |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Value of claims paid | $ |  |  |  |  |  |  | $ 5,000

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