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Derivative Financial Instruments - Schedule of Amounts Related to Non-Hedging Interest Rate and Commodity Derivatives (Detail) - Non Designated as Hedging Instrument [Member] - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Interest Rate Contract [Member] | Other Non-Interest Income [Member] |  |  |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |  |  |
Amount of gain (loss) included in income (expense) | $ 141 | $ 296 |  | $ 1,728 | $ 2,335
Interest Rate Contract [Member] | Other Non-Interest Expense [Member] |  |  |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |  |  |
Amount of gain (loss) included in income (expense) | 0 | 0 |  | (1) | 0
Commodity Contract [Member] | Other Non-Interest Income [Member] |  |  |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |  |  |
Amount of gain (loss) included in income (expense) | 969 | 539 |  | 2,123 | 678
Foreign Currency Derivative Contracts [Member] | Other Non-Interest Income [Member] |  |  |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |  |  |
Amount of gain (loss) included in income (expense) | 0 | 11 |  | 30 | 18
Put Option [Member] | Other Non-Interest Income [Member] |  |  |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |  |  |
Amount of gain (loss) included in income (expense) | $ 0 | $ 0 | $ 6,000 | $ 0 | $ 5,980

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- Definition Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] + References No definition available. + Details
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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=121590274&loc=SL5618551-113959 + Details
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