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Statements of Consolidated Shareholders' Equity (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Statement of Stockholders' Equity [Abstract] |  |  |
Purchase of common shares (in shares) | 67,353 | 135,518 | 73,514
Issuance of common shares (in shares) | 72,561 | 126,911 | 83,391
Common shares contributed to rabbi trust (in shares) |  |  | 2,248
Common shares distributed from rabbi trust (in shares) | 20,231 | 2,268 |
Cash dividends declared per share (in dollars per share) | $ 0.80 | $ 0.80 | $ 0.80

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