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Derivative Financial Instruments (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($) item derivative | Dec. 31, 2023 USD ($) derivative | Dec. 31, 2022 USD ($)
Notional amount, Assets | $ 1,998,266 | $ 1,619,026 |
Short term advances and brokered CD's | $ 950,800 | 826,800 |
Number of derivative contracts terminated | item | 3 |  |
Derivative instruments | $ 973,900 |  |
Customer [Member] |  |  |
Derivative instruments | 486,900 | 360,500 |
Bank [Member] |  |  |
Derivative instruments | 486,900 | 360,500 |
Customer and Bank [Member] |  |  |
Derivative instruments |  | 721,000 |
Cash Flow Hedging [Member] |  |  |
Amount reclassified from accumulated other comprehensive loss to interest expense | 25,300 | $ 25,400 |
Amount to be reclassified from the accumulated comprehensive income (loss) into earnings | $ 10,600 |  |
Number of derivative contracts terminated | 7 | 0 |
Income recognized | $ 1,400 | $ 4,700 | $ 700
Gain (loss) on termination of swaps | 1,700 |  |
Not Designated as Hedging Instrument [Member] |  |  |
Notional amount, Assets | $ 973,900 | 722,000 |
Designated as Hedging Instrument [Member] |  |  |
Number of derivative contracts terminated | item | 0 |  |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |  |
Notional amount, Assets | $ 950,800 | 825,800 |
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |  |
Amount of hedged item | 695,600 | 902,500 |
Interest Rate Swap [Member] |  |  |
Notional amount, Assets | 695,600 | 902,500 |
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |  |
Notional amount, Assets | 486,929 | 361,486 |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |  |
Notional amount, Assets | 950,750 | 555,000 |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |  |
Notional amount, Assets | 560,587 | 702,540 |
Available For Sale Security [Member] | Designated as Hedging Instrument [Member] |  |  |
Notional amount of derivative instruments terminated | 200,000 |  |
Gain (loss) on termination of swaps | 3,000 |  |
Notional amount |  | 200,000 |
Portfolio Layer Hedges on Closed Portfolio of Securities Available for Sale [Member] | Designated as Hedging Instrument [Member] |  |  |
Notional amount, Assets |  | 200,000 |
Portfolio Layer Hedges on Closed Portfolio of Loans [Member] |  |  |
Notional amount, Assets | 500,000 |  |
Portfolio Layer Hedges on Closed Portfolio of Loans [Member] | Designated as Hedging Instrument [Member] |  |  |
Notional amount, Assets | $ 500,000 | $ 500,000 |

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