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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Surplus | Accumulated Other Comprehensive Income (Loss) | Undivided Profits
--- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2023 | $ 3,426,488 | $ 1,252 | $ 2,499,930 | $ (404,375) | $ 1,329,681
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Comprehensive (loss) income | 78,528 |  |  | (1,106) | 79,634
Stock issued for employee stock purchase plan | 970 |  | 970 |  |
Stock-based compensation plans, net | 5,572 | 3 | 5,569 |  |
Dividends on common stock | (52,689) |  |  |  | (52,689)
Ending balance at Jun. 30, 2024 | 3,458,869 | 1,255 | 2,506,469 | (405,481) | 1,356,626
Beginning balance at Mar. 31, 2024 | 3,439,126 | 1,254 | 2,503,673 | (408,016) | 1,342,215
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Comprehensive (loss) income | 43,298 |  |  | 2,535 | 40,763
Stock-based compensation plans, net | 2,797 | 1 | 2,796 |  |
Dividends on common stock | (26,352) |  |  |  | (26,352)
Ending balance at Jun. 30, 2024 | 3,458,869 | 1,255 | 2,506,469 | (405,481) | 1,356,626
Beginning balance at Dec. 31, 2024 | 3,528,872 | 1,257 | 2,511,590 | (360,910) | 1,376,935
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Comprehensive (loss) income | 67,171 |  |  | (19,990) | 87,161
Stock issued for employee stock purchase plan | 836 |  | 836 |  |
Stock-based compensation plans, net | 5,863 | 3 | 5,860 |  |
Dividends on common stock | (53,532) |  |  |  | (53,532)
Ending balance at Jun. 30, 2025 | 3,549,210 | 1,260 | 2,518,286 | (380,900) | 1,410,564
Beginning balance at Mar. 31, 2025 | 3,531,485 | 1,259 | 2,515,372 | (367,710) | 1,382,564
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Comprehensive (loss) income | 41,583 |  |  | (13,190) | 54,773
Stock-based compensation plans, net | 2,915 | 1 | 2,914 |  |
Dividends on common stock | (26,773) |  |  |  | (26,773)
Ending balance at Jun. 30, 2025 | $ 3,549,210 | $ 1,260 | $ 2,518,286 | $ (380,900) | $ 1,410,564

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