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Derivative Financial Instruments - Summary of Derivative Notional Amounts and Fair Values (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | $ 1,825,000,000 | $ 2,225,000,000
Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 2,357,671,000 | 2,336,809,000
Interest rate swap, non-forward starting | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 1,125,000,000 | 725,000,000
Interest rate swap, non-forward starting | Not Designated as Hedging Instrument | Correspondent Banks |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 1,120,217,000 | 1,096,292,000
Interest rate swap, non-forward starting | Not Designated as Hedging Instrument | Customers |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 1,120,217,000 | 1,096,292,000
Interest Rate Swap, forward starting | Designated as Hedging Instrument | Cash Flow Hedge |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 200,000,000 | 1,000,000,000
Interest Rate Swap, forward starting | Designated as Hedging Instrument | Interest Rate Cap |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount |  | 250,000,000
Risk participation agreement | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 100,957,000 | 130,365,000
Interest Rate Lock Commitments and Forward Contracts | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 0 | 1,377,000
Foreign Exchange Contract | Not Designated as Hedging Instrument | Correspondent Banks |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 16,056,000 | 10,739,000
Foreign Exchange Contract | Not Designated as Hedging Instrument | Customers |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 224,000 | 1,744,000
Interest Rate Cap | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | 500,000,000 | 250,000,000
Other assets | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | 0 | 10,960,000
Other assets | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Credit valuation adjustment | 48,594,000 |
Credit valuation adjustment |  | (54,370,000)
Other assets | Interest rate swap, non-forward starting | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | 0 | 0
Other assets | Interest rate swap, non-forward starting | Not Designated as Hedging Instrument | Correspondent Banks |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | 46,294,000 | 53,185,000
Other assets | Interest rate swap, non-forward starting | Not Designated as Hedging Instrument | Customers |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | 1,400,000 | 1,117,000
Other assets | Interest Rate Swap, forward starting | Designated as Hedging Instrument | Cash Flow Hedge |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | 0 | 10,812,000
Other assets | Interest Rate Swap, forward starting | Designated as Hedging Instrument | Interest Rate Cap |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net |  | 148,000
Other assets | Risk participation agreement | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Credit valuation adjustment | 0 |
Credit valuation adjustment |  | 0
Other assets | Interest Rate Lock Commitments and Forward Contracts | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Credit valuation adjustment | 0 |
Credit valuation adjustment |  | (7,000)
Other assets | Foreign Exchange Contract | Not Designated as Hedging Instrument | Correspondent Banks |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Foreign exchange contracts | 894,000 | 4,000
Other assets | Foreign Exchange Contract | Not Designated as Hedging Instrument | Customers |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Foreign exchange contracts | 6,000 | 57,000
Other assets | Interest Rate Cap | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | 0 | 0
Other liabilities | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | (5,031,000) | 1,149,000
Other liabilities | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Credit valuation adjustment | (48,800,000) | (55,869,000)
Other liabilities | Interest rate swap, non-forward starting | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | (2,330,000) | 0
Other liabilities | Interest rate swap, non-forward starting | Not Designated as Hedging Instrument | Correspondent Banks |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | (1,400,000) | 1,117,000
Other liabilities | Interest rate swap, non-forward starting | Not Designated as Hedging Instrument | Customers |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | (47,384,000) | 54,505,000
Other liabilities | Interest Rate Swap, forward starting | Designated as Hedging Instrument | Cash Flow Hedge |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | (1,474,000) | 0
Other liabilities | Interest Rate Swap, forward starting | Designated as Hedging Instrument | Interest Rate Cap |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net |  | 0
Other liabilities | Risk participation agreement | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Credit valuation adjustment | (15,000) | (28,000)
Other liabilities | Interest Rate Lock Commitments and Forward Contracts | Not Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Credit valuation adjustment | 0 | (17,000)
Other liabilities | Foreign Exchange Contract | Not Designated as Hedging Instrument | Correspondent Banks |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Foreign exchange contracts | (1,000) | 202,000
Other liabilities | Foreign Exchange Contract | Not Designated as Hedging Instrument | Customers |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Foreign exchange contracts | 0 | 0
Other liabilities | Interest Rate Cap | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Fair Value, Net | $ (1,227,000) | $ 1,149,000

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