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Derivative Financial Instruments Fair Value Gains and Losses on Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Derivatives, Fair Value [Line Items] |  |  |
Net fair value gains/(losses) on derivative financial instruments | $ (2,228) | $ (2,279) | $ (2,378)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other interest income, Other, Non-interest income before investment securities gains | Other interest income, Other, Non-interest income before investment securities gains | Other interest income, Other, Non-interest income before investment securities gains
Mortgage Banking Derivatives |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Net fair value gains/(losses) on derivative financial instruments | $ (380) | $ (2,360) | $ (3,392)
Interest Rate Swap |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Net fair value gains/(losses) on derivative financial instruments | (1,855) | 0 | 1,050
Foreign Exchange Contract |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Net fair value gains/(losses) on derivative financial instruments | $ 7 | $ 81 | $ (36)

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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 -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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