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v3.26.1

Shareholders' Equity (Summary of Dividends) (Details) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Dividends |  |  |  |
Divdends declared per common share |  | $ 1.130 | $ 1.10 |
Dividends paid per common share |  | $ 1.130 | $ 1.100 |
5.417% Series 1 Cumulative Convertible Preferred shares |  |  |  |
Dividends |  |  |  |
Preferred shares, percentage |  | 5.417% | 5.417% | 5.417%
Dividends declared per preferred share |  | $ 0.339 | $ 0.339 |
Dividends paid per preferred share |  | $ 0.339 | $ 0.339 |
5.0% Series C Cumulative Redeemable Preferred shares |  |  |  |
Dividends |  |  |  |
Preferred shares, percentage |  | 5.00% | 5.00% | 5.00%
Dividends declared per preferred share | [1] | $ 0.313 | $ 0.313 |
Dividends paid per preferred share | [1] | $ 0.313 | $ 0.313 |
[1] | Amount represents dividends per depository share, each representing 1/1000th of a share.

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