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Derivative Financial Instruments - Summary of Derivative Notional Amounts and Fair Values (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | $ 3,000,720,000 |  | $ 2,168,615,000
Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | 1,425,000,000 |  | 1,225,000,000
Interest rate contracts | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | $ 925,000,000 |  | 614,000,000
Weighted-average term | 2 years 9 months 18 days | 4 years 1 month 6 days |
Interest rate contracts | Correspondent Banks | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | $ 1,589,746,000 |  | 1,013,407,000
Interest rate contracts | Customers | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | 1,263,725,000 |  | 1,013,407,000
Interest Rate Swap, forward starting | Cash Flow Hedge | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount |  |  | 111,000,000
Weighted-average term |  | 3 years 10 months 24 days |
Interest Rate Swap, forward starting | Interest Rate Cap | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | $ 500,000,000 |  | 500,000,000
Weighted-average term | 3 years 6 months | 3 years |
Foreign Exchange Contract | Correspondent Banks | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | $ 5,691,000 |  | 2,359,000
Foreign Exchange Contract | Customers | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | 5,691,000 |  | 2,359,000
Risk participation agreement | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | 132,117,000 |  | 134,282,000
Interest Rate Lock Commitments and Forward Contracts | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Amount | 3,750,000 |  | 2,801,000
Other assets | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Credit valuation adjustment | 70,661,000 |  | 73,497,000
Other assets | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 0 |  | 25,383,000
Other assets | Interest rate contracts | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 0 |  | 19,773,000
Other assets | Interest rate contracts | Correspondent Banks | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 70,165,000 |  | 73,059,000
Other assets | Interest rate contracts | Customers | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 351,000 |  | 330,000
Other assets | Interest Rate Swap, forward starting | Cash Flow Hedge | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives |  |  | 5,428,000
Other assets | Interest Rate Swap, forward starting | Interest Rate Cap | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 0 |  | 182,000
Other assets | Foreign Exchange Contract | Correspondent Banks | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Foreign exchange contracts | 90,000 |  | 79,000
Other assets | Foreign Exchange Contract | Customers | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Foreign exchange contracts | 30,000 |  | 0
Other assets | Risk participation agreement | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Credit valuation adjustment | 0 |  | 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 | 25,000 |  | 29,000
Other liabilities | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Credit valuation adjustment | 72,977,000 |  | 73,517,000
Other liabilities | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 4,812,000 |  | 2,055,000
Other liabilities | Interest rate contracts | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 0 |  | 1,227,000
Other liabilities | Interest rate contracts | Correspondent Banks | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 351,000 |  | 330,000
Other liabilities | Interest rate contracts | Customers | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 72,489,000 |  | 73,059,000
Other liabilities | Interest Rate Swap, forward starting | Cash Flow Hedge | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives |  |  | 0
Other liabilities | Interest Rate Swap, forward starting | Interest Rate Cap | Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Interest rate derivatives | 4,812,000 |  | 828,000
Other liabilities | Foreign Exchange Contract | Correspondent Banks | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Foreign exchange contracts | 24,000 |  | 0
Other liabilities | Foreign Exchange Contract | Customers | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Foreign exchange contracts | 81,000 |  | 73,000
Other liabilities | Risk participation agreement | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Credit valuation adjustment | 28,000 |  | 32,000
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 | $ 4,000 |  | $ 23,000

X
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