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Tender Offers and Open Market Repurchases (Narrative) (Details) - USD ($) $ in Millions | 1 Months Ended | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2020 | Apr. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2020
Debt Disclosure [Abstract] |  |  |  |  |
Debt Instrument, Repurchased Face Amount | $ 12.8 |  |  |  |
Debt Instrument, Repurchase Amount | 9.7 |  |  |  |
Gain (Loss) on Extinguishment of Debt | $ 3.1 | $ 0.0 | $ 0.0 | $ 0.0 | $ 3.1

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