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Derivative Financial Instruments - Schedule of Fair Value of Derivative Financial Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | --- | ---
Derivative [Line Items] |  |  |
Derivative Assets | $ 323,705 | $ 296,848 | $ 313,480
Derivative Liabilities | 458,706 | 338,078 | 357,170
Interest rate derivatives |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 312,253 | 286,438 | 299,298
Derivative Liabilities | 453,271 | 329,307 | 353,426
Designated as hedging instrument |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 17,929 | 16,768 | 18,268
Derivative Liabilities | 157,355 | 58,198 | 71,427
Designated as hedging instrument | Interest rate derivatives | Interest rate derivatives designated as Cash Flow Hedges |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 0 | 0 | 725
Derivative Liabilities | 157,355 | 58,198 | 71,427
Designated as hedging instrument | Interest rate derivatives | Interest rate derivatives designated as Fair Value Hedges |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 17,929 | 16,768 | 17,543
Derivative Liabilities | 0 | 0 | 0
Not designated as hedging instrument |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 305,776 | 280,080 | 295,212
Derivative Liabilities | 301,351 | 279,880 | 285,743
Not designated as hedging instrument | Interest rate derivatives |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 294,324 | 269,670 | 281,030
Derivative Liabilities | 295,916 | 271,109 | 281,999
Not designated as hedging instrument | Interest rate lock commitments |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 2,516 | 1,711 | 141
Derivative Liabilities | 72 | 58 | 273
Not designated as hedging instrument | Forward commitments to sell mortgage loans |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 3,261 | 220 | 10,896
Derivative Liabilities | 0 | 414 | 326
Not designated as hedging instrument | Commodity forward contracts |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 1,320 | 257 | 0
Derivative Liabilities | 1,076 | 162 | 0
Not designated as hedging instrument | Foreign exchange contracts |  |  |
Derivative [Line Items] |  |  |
Derivative Assets | 4,355 | 8,222 | 3,145
Derivative Liabilities | $ 4,287 | $ 8,137 | $ 3,145

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