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Derivative Instruments - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Derivatives, Fair Value [Line Items] |  |  |  |  |
Maximum notional contract amount as percent of total assets | 25.00% |  | 25.00% |  |
Interest income, investment securities | $ 53,220,000 | $ 50,638,000 | $ 166,271,000 | $ 148,163,000 |
Fair Value Hedging |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative, average variable interest rate | 1.21% |  | 1.21% |  | 1.21%
Interest income, investment securities |  |  | $ 33,800,000 |  |
Derivative assets, notional amount | $ 1,001,715,000 |  | 1,001,715,000 |  | $ 1,001,715,000
Risk Participation Agreements |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative, notional amount | 23,400,000 |  | 23,400,000 |  |
Energy Related Derivative |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative liabilities, notional amount | 0 |  | 0 |  |
Derivative assets, notional amount | $ 0 |  | $ 0 |  |

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- Definition Derivative Instrument, Covenant, Maximum Outstanding Notional Contract Amount, Percent Of Assets + References No definition available. + Details
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