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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 | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
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) | $ 215 | $ 699 | $ 1,188 | $ 2,889
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 | 2 | 0 | (2)
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) | 109 | 456 | 322 | 492
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) | $ 12 | $ 53 | $ 41 | $ 203

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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=109980867&loc=SL5618551-113959 + Details
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- Details
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