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v3.22.2.2

Derivatives and Hedging Activities - Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Derivative [Line Items] |  |  |  |  |
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net | $ 0.0 |  | $ 0.0 |  |
Derivative Instruments and Hedges, Assets | 0.0 |  | 0.0 |  | $ 695.6
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) | 0.0 |  | 0.0 |  | (4.4)
Financial Instruments | 0.0 |  | 0.0 |  | 0.0
Derivative Asset, Notional Amount | 1,775.6 |  | 1,775.6 |  | 1,691.2
Derivative Asset, Estimated Fair Value | 42.7 |  | 42.7 |  | 28.1
Derivative Liability, Notional Amount | 2,176.4 |  | 2,176.4 |  | 1,103.9
Derivative Liabilities, Estimated Fair Value | 169.9 |  | 169.9 |  | 18.2
two-year forward starting, three-year pay fixed interest rate swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Instruments and Hedges, Assets | 500.0 |  | 500.0 |  |
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) | 23.3 |  | 23.3 |  |
Collateral Pledged |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | 5.6 |  | 5.6 |  |
Financial Instruments | 0.0 |  | 0.0 |  |
Not Designated as Hedging Instrument |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Amount of net fee income recognized in other non-interest income | 2.5 | $ 0.4 | 5.6 | $ 1.6 |
Amount of net gains recognized in mortgage banking revenues | (0.2) | 1.3 | (1.7) | 1.7 |
Interest Rate Swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Financial Instruments | 0.0 |  | 0.0 |  | 0.0
Interest Rate Swap | Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Notional Amount | 0.0 |  | 0.0 |  | 700.0
Derivative Asset, Estimated Fair Value | 0.0 |  | 0.0 |  | 4.1
Derivative Liability, Notional Amount | 0.0 |  | 0.0 |  | 87.6
Derivative Liabilities, Estimated Fair Value | 0.0 |  | 0.0 |  | 0.1
Interest Rate Swap | Not Designated as Hedging Instrument |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Notional Amount | 1,743.3 |  | 1,743.3 |  | 913.9
Derivative Asset, Estimated Fair Value | 42.1 |  | 42.1 |  | 22.2
Derivative Liability, Notional Amount | 1,743.3 |  | 1,743.3 |  | 913.9
Derivative Liabilities, Estimated Fair Value | 163.7 |  | 163.7 |  | 18.1
Risk Participation Agreements |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Financial Instruments | 0.0 |  | 0.0 |  |
Risk Participation Agreements | Not Designated as Hedging Instrument |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Liability, Notional Amount | 107.2 |  | 107.2 |  | 0.0
Derivative Liabilities, Estimated Fair Value | 0.1 |  | 0.1 |  | 0.0
Forward Contracts | Not Designated as Hedging Instrument |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | 0.6 |  | 0.6 |  | 0.0
Derivative Asset, Notional Amount | 32.3 |  | 32.3 |  | 0.0
Derivative Liability, Notional Amount | 0.0 |  | 0.0 |  | 102.4
Derivative Liabilities, Estimated Fair Value | 0.0 |  | 0.0 |  | 0.0
Interest Rate Lock Commitments | Not Designated as Hedging Instrument |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Notional Amount | 0.0 |  | 0.0 |  | 77.3
Derivative Asset, Estimated Fair Value | 0.0 |  | 0.0 |  | 1.8
Derivative Liability, Notional Amount | 25.9 |  | 25.9 |  | 0.0
Derivative Liabilities, Estimated Fair Value | 0.5 |  | 0.5 |  | 0.0
Interest Rate Collars |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Instruments and Hedges, Assets | 300.0 |  | 300.0 |  |
Interest Rate Collars | Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Liability, Notional Amount | 300.0 |  | 300.0 |  | 0.0
Derivative Liabilities, Estimated Fair Value | 5.6 |  | 5.6 |  | $ 0.0
Cash Flow Hedging [Member] | Interest Rate Swap | Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax | $ 5.6 | $ 0.0 | $ 5.6 | $ 0.0 |

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