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Equity Method Investment in ARO - Schedule of Related Parties (Details) - USD ($) $ in Millions | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2020
Schedule of Equity Method Investments [Line Items] |  |  |  |
Principal amount | $ 228.3 | $ 249.1 | $ 254.0 |
Non-cash amortization | 0.0 | 20.8 | 44.9 | $ 0.0
ARO |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Principal amount |  | 442.7 | 402.7 |
Discount |  | (193.6) | (148.7) |
Carrying value |  | 249.1 | 254.0 |
Interest income | 3.5 | 7.0 | 11.3 | 18.3
Non-cash amortization | 0.0 | 20.8 | 44.9 | 0.0
Interest income | $ 3.5 | $ 27.8 | $ 56.2 | $ 18.3

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