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Derivative Financial Instruments and Hedging Activities - Narrative (Details) - USD ($) | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Derivative [Line Items] |  |
Cash collateral held by counterparties subject to master netting agreements |  | $ 12,800,000
Cash collateral received from counterparties under master netting agreements | $ 81,030,000 | 0
Securities AFS , at estimated fair value | 1,424,562,000 | $ 2,764,325,000
Fair Value Hedging |  |
Derivative [Line Items] |  |
Securities AFS , at estimated fair value | 708,900,000 |
Interest Rate Swap | Cash Flow Hedging |  |
Derivative [Line Items] |  |
Derivative | $ 575,000,000 |

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