Earnings Per Unit (Details) - CALUMET SPECIALTY PRODUCTS PARTNERS, L.P. - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator for basic and diluted earnings per limited partner unit:
Net loss	$ (39.1)	$ (22.3)	$ (80.7)	$ (3.7)
Less: General partner's interest in net loss	(0.8)	(0.5)	(1.6)	(0.1)
Net loss attributable to limited partners	$ (38.3)	$ (21.8)	$ (79.1)	$ (3.6)
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic weighted average limited partner units outstanding	80,555,587	80,152,648	80,453,995	79,992,637
Diluted weighted average limited partner units outstanding	80,555,587	80,152,648	80,453,995	79,992,637
Limited partners' interest basic and diluted net loss per unit:
Limited partners' interest basic net loss per unit	$ (0.48)	$ (0.27)	$ (0.98)	$ (0.05)
Limited partners' interest diluted net loss per unit	$ (0.48)	$ (0.27)	$ (0.98)	$ (0.05)