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Derivatives - Summary of Gains and (Losses) on Derivative Contracts (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Gain (loss), net on derivative contract | $ 1,787 | $ 4,792
FX/Commodities Options [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Gain (loss), net on derivative contract | 55 | 63
FX Swaps [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Gain (loss), net on derivative contract | 236 | 594
Futures [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Gain (loss), net on derivative contract | 2,764 | 4,248
Forwards [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Gain (loss), net on derivative contract | $ (1,268) | $ (113)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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