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Business Combinations - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Business Acquisition [Line Items] |  |  |
Total assets | $ 15,153,655 | $ 16,020,993 |
Total cash and cash equivalents | 204,698 | 281,285 |
Premises and equipment, net | 27,543 | 44,709 |
Other assets | 215,898 | 127,187 |
Bank owned life insurance (BOLI) | 316,248 | 308,706 |
Interest-bearing | 4,911,285 | 4,227,467 |
Noninterest-bearing deposits | 7,037,096 | 7,206,175 |
Goodwill | 765,822 | 765,822 | $ 765,822
Merger related expenses | $ 0 | $ 0 | $ 6,013

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