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Derivatives and Hedging Activities - Pre-tax Gains and Losses on Derivative Contracts (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Derivative [Line Items] |  |
Gain (Loss) on Fair Value Hedges Recognized in Earnings | $ (46.3) |
Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Fee Income on Derivatives | 5.9 | $ 3.1
Gain (Loss) on Fair Value Hedges Recognized in Earnings | $ (1.7) | $ (0.5)

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- Definition Fee Income on Derivatives + References No definition available. + 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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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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- Details
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