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Shareholders' Equity (Narrative) (Details) - $ / shares | Apr. 20, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Class Of Stock [Line Items] |  |  |
Preferred stock, shares authorized |  | 12,500,000 |
Series B [Member] |  |  |
Class Of Stock [Line Items] |  |  |
Preferred stock, shares authorized |  | 6,050,000 | 6,050,000
Series B [Member] | Subsequent Event [Member] |  |  |
Class Of Stock [Line Items] |  |  |
Preferred stock dividends declared | $ 0.453125 |  |
Series C [Member] |  |  |
Class Of Stock [Line Items] |  |  |
Preferred stock, shares authorized |  | 6,450,000 | 6,450,000
Series C [Member] | Subsequent Event [Member] |  |  |
Class Of Stock [Line Items] |  |  |
Preferred stock dividends declared | $ 0.406250 |  |

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