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Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2025
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data | NOTE Y—QUARTERLY FINANCIAL DATA (UNAUDITED) Quarterly financial data for 2025 and 2024 is summarized below:
(Dollars in thousands, except per share data) |  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |
2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income |  | $ | 403,647 |  |  | $ | 421,196 |  |  | $ | 430,957 |  |  | $ | 430,053 |
Interest expense |  |  | 143,592 |  |  |  | 146,659 |  |  |  | 150,842 |  |  |  | 142,596 |
Net interest income |  |  | 260,055 |  |  |  | 274,537 |  |  |  | 280,115 |  |  |  | 287,457 |
Provision for credit losses |  |  | 29,103 |  |  |  | 5,889 |  |  |  | 12,095 |  |  |  | 6,779 |
Mortgage banking income |  |  | 2,479 |  |  |  | 2,603 |  |  |  | 2,495 |  |  |  | 1,990 |
Securities gains(losses), net |  |  | 521 |  |  |  | 425 |  |  |  | 10,442 |  |  |  | (218 | )
Other noninterest income |  |  | 26,554 |  |  |  | 28,432 |  |  |  | 30,267 |  |  |  | 29,164 |
Noninterest expense |  |  | 153,573 |  |  |  | 148,020 |  |  |  | 146,741 |  |  |  | 151,718 |
Income taxes |  |  | 22,627 |  |  |  | 31,367 |  |  |  | 33,735 |  |  |  | 31,068 |
Net income (1) |  |  | 84,306 |  |  |  | 120,721 |  |  |  | 130,748 |  |  |  | 128,828 |
Per share data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average shares outstanding (000s): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 142,331 |  |  |  | 142,207 |  |  |  | 141,548 |  |  |  | 140,481 |
Diluted |  |  | 142,698 |  |  |  | 142,444 |  |  |  | 141,961 |  |  |  | 140,980 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.59 |  |  | $ | 0.85 |  |  | $ | 0.92 |  |  | $ | 0.92 |
Diluted |  | $ | 0.59 |  |  | $ | 0.85 |  |  | $ | 0.92 |  |  | $ | 0.91 |
Dividends per share |  | $ | 0.37 |  |  | $ | 0.37 |  |  | $ | 0.37 |  |  | $ | 0.38 |
2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income |  | $ | 369,180 |  |  | $ | 374,184 |  |  | $ | 382,723 |  |  | $ | 376,034 |
Interest expense |  |  | 146,691 |  |  |  | 148,469 |  |  |  | 152,467 |  |  |  | 143,426 |
Net interest income |  |  | 222,489 |  |  |  | 225,715 |  |  |  | 230,256 |  |  |  | 232,608 |
Provision for credit losses |  |  | 5,740 |  |  |  | 5,779 |  |  |  | 6,943 |  |  |  | 6,691 |
Mortgage banking income |  |  | 5,298 |  |  |  | 3,901 |  |  |  | 4,544 |  |  |  | 2,314 |
(Dollars in thousands, except per share data) |  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |
Securities losses, net |  |  | (99 | ) |  |  | (218 | ) |  |  | (6,715 | ) |  |  | (688 | )
Other noninterest income |  |  | 27,013 |  |  |  | 26,540 |  |  |  | 34,113 |  |  |  | 27,692 |
Noninterest expense |  |  | 140,742 |  |  |  | 134,774 |  |  |  | 135,339 |  |  |  | 134,176 |
Income taxes |  |  | 21,405 |  |  |  | 18,878 |  |  |  | 24,649 |  |  |  | 26,651 |
Net income (1) |  |  | 86,814 |  |  |  | 96,507 |  |  |  | 95,267 |  |  |  | 94,408 |
Per share data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average shares outstanding (000s): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 134,809 |  |  |  | 135,138 |  |  |  | 135,158 |  |  |  | 135,236 |
Diluted |  |  | 135,121 |  |  |  | 135,315 |  |  |  | 135,505 |  |  |  | 135,732 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.64 |  |  | $ | 0.71 |  |  | $ | 0.70 |  |  | $ | 0.70 |
Diluted |  | $ | 0.64 |  |  | $ | 0.71 |  |  | $ | 0.70 |  |  | $ | 0.69 |
Dividends per share |  | $ | 0.37 |  |  | $ | 0.37 |  |  | $ | 0.37 |  |  | $ | 0.37 |
| (1) | For further information, see the related discussion “Quarterly Results” included in Management’s Discussion and Analysis.

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