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Derivative Financial Instruments (Schedule of Amounts Related to Non-Hedging Interest Rate and Commodity Derivatives) (Detail) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Interest Rate Contract [Member] | Other Non-Interest Income [Member] |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |
Amount included in income or expense | $ 3,413 | $ 2,005 | $ 4,112
Interest Rate Contract [Member] | Other Non-Interest Expense [Member] |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |
Amount included in income or expense | 1 | (1) | 0
Commodity Contract [Member] | Other Non-Interest Income [Member] |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |
Amount included in income or expense | 1,768 | 503 | 795
Foreign Exchange Contract [Member] | Other Non-Interest Income [Member] |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |
Amount included in income or expense | 28 | 51 | 246
Put Option [Member] | Other Non-Interest Income [Member] |  |  |
Other Non Interest Income Non Hedging Interest Rate Derivatives [Line Items] |  |  |
Amount included in income or expense | $ 5,992 | $ 750 | $ 0

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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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- Details
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- Details
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- Details
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- Details
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- Details
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