UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF PARTNERS' CAPITAL (DEFICIT) - CALUMET SPECIALTY PRODUCTS PARTNERS, L.P. - USD ($) $ in Millions	Accumulated Other Comprehensive Loss	General Partner	Limited Partners	Total
Beginning balance at Dec. 31, 2022	$ (8.3)	$ 0.3	$ (525.3)	$ (533.3)
Increase (Decrease) in Partners' Capital
Other comprehensive income	0.1			0.1
Net loss attributable to partners		(0.1)	(3.6)	(3.7)
Settlement of tax withholdings on equity-based incentive compensation			(9.6)	(9.6)
Settlement of phantom units			2.7	2.7
Amortization of phantom units			0.4	0.4
Ending balance at Jun. 30, 2023	(8.2)	0.2	(535.4)	(543.4)
Beginning balance at Mar. 31, 2023	(8.3)	0.7	(515.7)	(523.3)
Increase (Decrease) in Partners' Capital
Other comprehensive income	0.1			0.1
Net loss attributable to partners		(0.5)	(21.8)	(22.3)
Settlement of tax withholdings on equity-based incentive compensation			(1.7)	(1.7)
Settlement of phantom units			3.7	3.7
Amortization of phantom units			0.1	0.1
Ending balance at Jun. 30, 2023	(8.2)	0.2	(535.4)	(543.4)
Beginning balance at Dec. 31, 2023	(7.2)	1.3	(484.4)	(490.3)
Increase (Decrease) in Partners' Capital
Other comprehensive income	0.1			0.1
Net loss attributable to partners		(1.6)	(79.1)	(80.7)
Settlement of tax withholdings on equity-based incentive compensation			(5.2)	(5.2)
Settlement of phantom units			9.7	9.7
Ending balance at Jun. 30, 2024	(7.1)	(0.3)	(559.0)	(566.4)
Beginning balance at Mar. 31, 2024	(7.1)	0.5	(523.1)	(529.7)
Increase (Decrease) in Partners' Capital
Net loss attributable to partners		(0.8)	(38.3)	(39.1)
Settlement of tax withholdings on equity-based incentive compensation			(1.7)	(1.7)
Settlement of phantom units			4.1	4.1
Ending balance at Jun. 30, 2024	$ (7.1)	$ (0.3)	$ (559.0)	$ (566.4)