Equity Method Investment In ARO - Summarized Financial Data (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Investment Owned, Balance [Abstract]
Equity in earnings (losses) of ARO	$ (1.1)	$ (0.3)	$ 1.5	$ 2.1
ARO
Investment Owned, Balance [Abstract]
50% interest in ARO net loss	(4.3)	(3.4)	(4.8)	(4.2)
Amortization of basis differences	3.2	3.1	6.3	6.3
Equity in earnings (losses) of ARO	$ (1.1)	$ (0.3)	$ 1.5	$ 2.1

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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