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Derivative Financial Instruments - Schedule of Cumulative Basis Adjustments For Fair Value Hedges (Parenthetical) (Details) $ in Millions | Sep. 30, 2021 USD ($)
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Derivative Instruments And Hedging Activities Disclosure [Abstract] |
Amortized cost basis of closed portfolios used in hedging relationships | $ 42.0
Cumulative basis adjustments associated with hedging relationships | 0.5
Designated hedged items | $ 20.0

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- Definition Amortized cost basis of closed portfolios used in hedging relationships. + References No definition available. + Details
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- Definition Cumulative basis adjustments associated with hedging relationships. + References No definition available. + Details
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Balance Type: | debit
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- Definition Amount of hedged item in hedging relationship. Excludes hedged asset or liability. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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