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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Statement of Financial Position [Abstract] |  |
Securities available for sale, amortized cost | $ 5,745,280 | $ 5,496,718
Securities held to maturity, fair value | 2,325,258 | 2,485,918
Loans held-for-sale, fair value | 23,462 | 13,269
Property and equipment, accumulated depreciation | 340,871 | 318,746
Right of use assets, accumulated amortization | $ 63,942 | $ 55,815
Preferred stock, par value per share | $ 20 | $ 20
Common stock, par value per share | $ 3.33 | $ 3.33

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