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Equity Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Equity [Abstract] |  |  |  |  |  |  |
Cash dividends declared per common share (in dollars per share) | $ 1.90 | $ 1.90 | $ 1.65 | $ 1.65 | $ 7.10 | $ 6.30 | $ 4.64
Dividends |  |  |  |  | $ 53,500 |  |
Dividends payable | $ 17,291 |  |  |  | $ 17,291 | $ 15,812 |
Repurchases of common shares (in shares) |  |  |  |  | 223,807 |  |
Weighted average price (in dollars per share) |  |  |  |  | $ 200.73 |  |
Total cost of shares repurchased |  |  |  |  | $ 45,200 |  |
Shares available for repurchase (in shares) | 604,545 |  |  |  | 604,545 |  |

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