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v3.25.3

Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands | Common Stock | Surplus | Retained Earnings | Other Comprehensive Income (Loss) | Treasury Stock | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2023 | $ 96,467 | $ 155,511 | $ 3,029,088 | $ (397,889) | $ (435,403) | $ 2,447,774
Balance (in shares) at Dec. 31, 2023 | 96,467 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 294,083 |  |  | 294,083
Dividends: |  |  |  |  |  |
Dividends Payable/ Cash |  |  | (82,078) |  |  | (82,078)
Purchase of treasury stock |  |  |  |  | (742) | (742)
Exercise of stock options | $ 136 | 3,160 |  |  |  | 3,296
Exercise of stock options (in shares) | 136 |  |  |  |  |
Stock compensation expense recognized in earnings |  | 169 |  |  |  | 169
Other comprehensive income, net of tax: |  |  |  |  |  |
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments |  |  |  | 86,914 |  | 86,914
Balance at Sep. 30, 2024 | $ 96,603 | 158,840 | 3,241,093 | (310,975) | (436,145) | 2,749,416
Balance (in shares) at Sep. 30, 2024 | 96,603 |  |  |  |  |
Balance at Jun. 30, 2024 | $ 96,580 | 158,171 | 3,182,368 | (423,860) | (435,898) | 2,577,361
Balance (in shares) at Jun. 30, 2024 | 96,580 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 99,772 |  |  | 99,772
Dividends: |  |  |  |  |  |
Dividends Payable/ Cash |  |  | (41,047) |  |  | (41,047)
Purchase of treasury stock |  |  |  |  | (247) | (247)
Exercise of stock options | $ 23 | 622 |  |  |  | 645
Exercise of stock options (in shares) | 23 |  |  |  |  |
Stock compensation expense recognized in earnings |  | 47 |  |  |  | 47
Other comprehensive income, net of tax: |  |  |  |  |  |
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments |  |  |  | 112,885 |  | 112,885
Balance at Sep. 30, 2024 | $ 96,603 | 158,840 | 3,241,093 | (310,975) | (436,145) | 2,749,416
Balance (in shares) at Sep. 30, 2024 | 96,603 |  |  |  |  |
Balance at Dec. 31, 2024 | $ 96,617 | 159,333 | 3,356,177 | (379,054) | (436,366) | 2,796,707
Balance (in shares) at Dec. 31, 2024 | 96,617 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 305,409 |  |  | 305,409
Dividends: |  |  |  |  |  |
Dividends Payable/ Cash |  |  | (87,061) |  |  | (87,061)
Purchase of treasury stock |  |  |  |  | (4,546) | (4,546)
Exercise of stock options | $ 36 | 1,212 |  |  |  | 1,248
Exercise of stock options (in shares) | 36 |  |  |  |  |
Stock compensation expense recognized in earnings |  | 86 |  |  |  | 86
Other comprehensive income, net of tax: |  |  |  |  |  |
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments |  |  |  | 115,965 |  | 115,965
Balance at Sep. 30, 2025 | $ 96,653 | 160,631 | 3,574,525 | (263,089) | (440,912) | 3,127,808
Balance (in shares) at Sep. 30, 2025 | 96,653 |  |  |  |  |
Balance at Jun. 30, 2025 | $ 96,640 | 160,169 | 3,509,661 | (303,489) | (440,912) | 3,022,069
Balance (in shares) at Jun. 30, 2025 | 96,640 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 108,375 |  |  | 108,375
Dividends: |  |  |  |  |  |
Dividends Payable/ Cash |  |  | (43,511) |  |  | (43,511)
Exercise of stock options | $ 13 | 442 |  |  |  | 455
Exercise of stock options (in shares) | 13 |  |  |  |  |
Stock compensation expense recognized in earnings |  | 20 |  |  |  | 20
Other comprehensive income, net of tax: |  |  |  |  |  |
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments |  |  |  | 40,400 |  | 40,400
Balance at Sep. 30, 2025 | $ 96,653 | $ 160,631 | $ 3,574,525 | $ (263,089) | $ (440,912) | $ 3,127,808
Balance (in shares) at Sep. 30, 2025 | 96,653 |  |  |  |  |

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