UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Limited Partners	General Partner	Common Stock	Additional Paid-in Capital	Warrants	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total
Partner's capital at the beginning (in units) at Dec. 31, 2023	79,967,363
Partner's capital at the beginning at Dec. 31, 2023	$ (484.4)	$ 1.3
Beginning balance at Dec. 31, 2023							$ (7.2)	$ (490.3)
Increase (Decrease) in Partners' Capital
Other comprehensive income							0.1	0.1
Net income (loss)	(79.1)	(1.6)						(80.7)
Settlement of tax withholdings on equity-based incentive compensation	(5.2)							(5.2)
Settlement of phantom units	$ 9.7							9.7
Settlement of phantom units (in units)	421,192
Partner's capital at the end (in units) at Jun. 30, 2024	80,388,555
Partner's capital at the end at Jun. 30, 2024	$ (559.0)	(0.3)
Ending balance at Jun. 30, 2024							(7.1)	(566.4)
Partner's capital at the beginning (in units) at Mar. 31, 2024	80,223,093
Partner's capital at the beginning at Mar. 31, 2024	$ (523.1)	0.5
Beginning balance at Mar. 31, 2024							(7.1)	(529.7)
Increase (Decrease) in Partners' Capital
Net income (loss)	(38.3)	(0.8)						(39.1)
Settlement of tax withholdings on equity-based incentive compensation	(1.7)							(1.7)
Settlement of phantom units	$ 4.1							4.1
Settlement of phantom units (in units)	165,462
Partner's capital at the end (in units) at Jun. 30, 2024	80,388,555
Partner's capital at the end at Jun. 30, 2024	$ (559.0)	$ (0.3)
Ending balance at Jun. 30, 2024							(7.1)	(566.4)
Beginning balance at Dec. 31, 2024			$ 0.9	$ 825.4	$ 7.8	$ (1,539.0)	(7.0)	(711.9)
Beginning balance (in shares) at Dec. 31, 2024			85,950,493
Increase (Decrease) in Partners' Capital
Net income (loss)						(309.9)		(309.9)
Settlement of tax withholdings on equity-based incentive compensation				(6.5)				(6.5)
Settlement of restricted stock units				18.6				18.6
Settlement of restricted stock units (in shares)			708,920
Ending balance at Jun. 30, 2025			$ 0.9	837.5	7.8	(1,848.9)	(7.0)	(1,009.7)
Ending balance (in shares) at Jun. 30, 2025			86,659,413
Beginning balance at Mar. 31, 2025			$ 0.9	837.0	7.8	(1,701.0)	(7.0)	(862.3)
Beginning balance (in shares) at Mar. 31, 2025			86,621,470
Increase (Decrease) in Partners' Capital
Net income (loss)						(147.9)		(147.9)
Settlement of tax withholdings on equity-based incentive compensation				(0.1)				(0.1)
Settlement of restricted stock units				0.6				0.6
Settlement of restricted stock units (in shares)			37,943
Ending balance at Jun. 30, 2025			$ 0.9	$ 837.5	$ 7.8	$ (1,848.9)	$ (7.0)	$ (1,009.7)
Ending balance (in shares) at Jun. 30, 2025			86,659,413