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Derivative Financial Instruments - Derivatives Not Designated as Hedges (Details) - Visa Derivative - Other noninterest income - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Impact on pretax earnings of derivatives not designated as hedges |  |  |  |
Net Gains (Losses) on Derivatives |  |  | $ (46) | $ 131
Derivatives Not Designated as Hedging Instruments |  |  |  |
Impact on pretax earnings of derivatives not designated as hedges |  |  |  |
Net Gains (Losses) on Derivatives | $ (49) | $ 22 |  |

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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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- References No definition available. + Details
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