Segment and Geographic Information - Summary of Net Sales by Countries (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Disclosure of operating segments [line items]
Sales	$ 150,000	$ 158,406
United States [member] \| Produce [member]
Disclosure of operating segments [line items]
Sales	124,699	132,464
Canada [member] \| Produce [member]
Disclosure of operating segments [line items]
Sales	23,355	24,020
Canada [member] \| Energy [member]
Disclosure of operating segments [line items]
Sales	$ 1,946	$ 1,922

The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants.

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+ Details