Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	NGL Energy Holdings LLC (1)	Preferred Partner	Limited Partner	Accumulated other comprehensive income (loss)	Noncontrolling interests
Beginning Balance (in units) at Mar. 31, 2021			14,385,642	129,593,939
Beginning Balance at Mar. 31, 2021	$ 948,159	$ (52,189)	$ 348,359	$ 582,784	$ (266)	$ 69,471
Increase (Decrease) in Partnership Capital
Distributions to noncontrolling interest owners	(1,635)					(1,635)
Sawtooth joint venture disposition (Note 17)	(51,097)					(51,097)
Common unit repurchases and cancellations (in units)				(44,769)
Common unit repurchases and cancellations (Note 9)	(90)			$ (90)
Equity issued pursuant to incentive compensation plan (in units)				1,146,800
Equity issued pursuant to incentive compensation plan (Note 9)	3,259			$ 3,259
Net (loss) income	(184,101)	(289)		$ (184,467)		655
Other comprehensive loss	(42)				(42)
Ending Balance (in units) at Mar. 31, 2022			14,385,642	130,695,970
Ending Balance at Mar. 31, 2022	714,453	(52,478)	$ 348,359	$ 401,486	(308)	17,394
Increase (Decrease) in Partnership Capital
Distributions to noncontrolling interest owners	(1,993)					(1,993)
Common unit repurchases and cancellations (in units)				(55,702)
Common unit repurchases and cancellations (Note 9)	(99)			$ (99)
Equity issued pursuant to incentive compensation plan (in units)				1,287,075
Equity issued pursuant to incentive compensation plan (Note 9)	2,718			$ 2,718
Net (loss) income	52,492	(73)		$ 51,459		1,106
Other comprehensive loss	(142)				(142)
Ending Balance (in units) at Mar. 31, 2023			14,385,642	131,927,343
Ending Balance at Mar. 31, 2023	767,429	(52,551)	$ 348,359	$ 455,564	(450)	16,507
Increase (Decrease) in Partnership Capital
Distributions to preferred unitholders (Note 9)	(178,299)			$ (178,299)
Distributions to noncontrolling interest owners	(1,586)					(1,586)
Contributions from noncontrolling interest owners (Note 17)	2,685					2,685
Common unit repurchases and cancellations (in units)				(21,302)
Common unit repurchases and cancellations (Note 9)	(84)			$ (84)
Equity issued pursuant to incentive compensation plan (in units)				606,725
Equity issued pursuant to incentive compensation plan (Note 9)	1,098			$ 1,098
Net (loss) income	(143,124)	(283)		$ (143,472)		631
Other comprehensive loss	(49)				(49)
Ending Balance (in units) at Mar. 31, 2024			14,385,642	132,512,766
Ending Balance at Mar. 31, 2024	$ 448,070	$ (52,834)	$ 348,359	$ 134,807	$ (499)	$ 18,237