Revenue Recognition (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue Recognition
Accounts receivable - trade	$ 241.7	$ 252.4	$ 244.7
Fuel Products | Minimum
Revenue Recognition
Payment due, term	2 days
Payment collection, term	2 days
Fuel Products | Maximum
Revenue Recognition
Payment due, term	30 days
Payment collection, term	30 days
Renewable fuels | Minimum
Revenue Recognition
Payment due, term	7 days
Payment collection, term	7 days
Renewable fuels | Maximum
Revenue Recognition
Payment due, term	14 days
Payment collection, term	14 days
Total specialty products | Minimum
Revenue Recognition
Payment due, term	30 days
Payment collection, term	30 days
Total specialty products | Maximum
Revenue Recognition
Payment due, term	90 days
Payment collection, term	90 days