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v3.25.3

Derivative Financial Instruments and Hedging Activities - Summary of Derivatives (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Derivative [Line Items] |  |  |  |  |
Notional balance | $ 4,122.8 |  | $ 4,122.8 |  | $ 1,916.6
Derivatives, at fair value - See Note 15 | 18.3 |  | 18.3 |  | 15.4
Derivative liability, notional amount | 3,773.8 |  | 3,773.8 |  | 2,975.6
Derivative liability, fair value | (26.8) |  | (26.8) |  | (27.6)
Gains (losses) on derivatives | (21.5) | $ 19.4 | (16.3) | $ (76.7) |
Forward Sales Of Reverse Loans |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional balance | 0.0 |  | 0.0 |  | 60.0
Derivatives, at fair value - See Note 15 | 0.0 |  | 0.0 |  | 0.4
Derivative liability, notional amount | 30.0 |  | 30.0 |  | 0.0
Derivative liability, fair value | (0.1) |  | (0.1) |  | 0.0
Gains (losses) on derivatives | 0.0 | 0.0 | (0.5) | 0.1 |
Forward loans IRLCs |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional balance | 2,367.7 |  | 2,367.7 |  | 0.0
Derivatives, at fair value - See Note 15 | 11.4 |  | 11.4 |  | 0.0
Derivative liability, notional amount | 0.0 |  | 0.0 |  | 1,311.6
Derivative liability, fair value | 0.0 |  | 0.0 |  | 0.7
Gains (losses) on derivatives | (5.7) | 1.1 | 12.1 | (0.4) |
Reverse loans IRLCs |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional balance | 33.9 |  | 33.9 |  | 25.6
Derivatives, at fair value - See Note 15 | 1.2 |  | 1.2 |  | 0.2
Gains (losses) on derivatives | 0.1 | (0.1) | 0.9 | 0.0 |
TBA forward MBS trades |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional balance | 1,670.9 |  | 1,670.9 |  | 1,391.1
Derivatives, at fair value - See Note 15 | 5.7 |  | 5.7 |  | 10.0
Derivative liability, notional amount | 1,968.8 |  | 1,968.8 |  | 789.0
Derivative liability, fair value | (8.7) |  | (8.7) |  | (5.0)
Interest Rate Swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional balance | 50.0 |  | 50.0 |  | 225.0
Derivatives, at fair value - See Note 15 | 0.0 |  | 0.0 |  | 3.2
Derivative liability, notional amount | 1,675.0 |  | 1,675.0 |  | 875.0
Derivative liability, fair value | (18.0) |  | (18.0) |  | (21.9)
TBA Forward Pipelines Trades |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Gains (losses) on derivatives | (27.8) | (36.5) | (53.2) | (26.8) |
Interest Rate Swap Futures And TBA Forward MBS Trades |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Gains (losses) on derivatives | 10.6 | 54.3 | 25.9 | (50.0) |
Forward Trades |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional balance | 0.4 |  | 0.4 |  | 215.0
Derivatives, at fair value - See Note 15 | 0.0 |  | 0.0 |  | 1.5
Forward LHFS Trades |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Gains (losses) on derivatives | 1.2 | $ 0.5 | (1.5) | $ 0.5 |
Interest rate option contracts |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative liability, notional amount | 100.0 |  | 100.0 |  | 0.0
Derivative liability, fair value | $ 0.0 |  | $ 0.0 |  | $ 0.0

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