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Equity (Schedule of Stock Offering Program) (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
At The Market Stock Offering [Line Items] |  |  |
Proceeds, net of fees (in millions) | $ 12.9 | $ 154.3 | $ 299.6
At The Market Program |  |  |
At The Market Stock Offering [Line Items] |  |  |
Number of shares issued | 0 | 5,941,598 |
Average price per share | $ 0 | $ 25.25 |
Proceeds, net of fees (in millions) | $ 0.0 | $ 141.9 |

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