Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2025	Mar. 31, 2025
CURRENT ASSETS:
Cash and cash equivalents	$ 8,659	$ 5,649
Accounts receivable, allowance for expected credit losses	1,255	3,689
Inventories	118,003	69,916
Prepaid expenses and other current assets	32,483	63,651
Assets held for sale	0	175,207
Total current assets	717,896	962,053
PROPERTY, PLANT AND EQUIPMENT, net of accumulated depreciation of $1,185,359 and $1,104,582, respectively	2,034,103	2,066,847
PROPERTY, PLANT AND EQUIPMENT, accumulated depreciation	(1,185,359)	(1,104,582)
GOODWILL	599,348	599,348
INTANGIBLE ASSETS, net of accumulated amortization of $367,383 and $340,334, respectively	824,515	851,347
INTANGIBLE ASSETS, accumulated amortization	(367,383)	(340,334)
OPERATING LEASE RIGHT-OF-USE ASSETS	110,229	109,870
OTHER NONCURRENT ASSETS	15,494	19,975
Total assets	4,301,585	4,609,440
CURRENT LIABILITIES:
Accrued expenses and other payables	126,614	135,233
Advance payments received from customers	14,178	10,347
Current maturities of long-term debt	8,880	8,805
Operating lease obligations	29,251	27,911
Liabilities held for sale	0	42,103
Total current liabilities	570,254	739,230
Long-term debt, net	2,903,746	2,961,703
Debt issuance costs, noncurrent, net	(39,645)	(43,144)
OPERATING LEASE OBLIGATIONS	84,942	85,240
OTHER NONCURRENT LIABILITIES	131,487	125,897
COMMITMENTS AND CONTINGENCIES (NOTE 7)
REDEEMABLE NONCONTROLLING INTERESTS	488	424
EQUITY:
General partner, representing a 0.1% interest, 125,848 and 132,145 notional units, respectively	(52,905)	(52,913)
Limited partners, representing a 99.9% interest, 125,722,503 and 132,012,766 common units issued and outstanding, respectively	(190,881)	(170,275)
Accumulated other comprehensive income	0	9
Noncontrolling interests	19,252	20,669
Total equity	123,825	145,849
Total liabilities and equity	4,301,585	4,609,440
Discontinued Operations, Disposed of by Means Other than Sale
CURRENT ASSETS:
Assets held for sale	146	67,432
CURRENT LIABILITIES:
Liabilities held for sale	40	52,749
Nonrelated Party
CURRENT ASSETS:
Accounts receivable, net of allowance for expected credit losses	558,368	579,468
CURRENT LIABILITIES:
Accounts payable	391,290	461,980
Related Party
CURRENT ASSETS:
Accounts receivable-affiliates	237	730
CURRENT LIABILITIES:
Accounts payable	$ 1	$ 102
NGL Energy Holdings LLC | NGL Energy Partners LP
EQUITY:
General partner interest	0.10%
NGL Limited Partners | NGL Energy Partners LP
EQUITY:
Limited partner interest	99.90%
General Partner
EQUITY:
General partner, notional units outstanding (in units)	125,848	132,145
Limited Partner
EQUITY:
Limited partners, common units issued and outstanding (in units)	125,722,503	132,012,766
Series D Preferred Stock
CURRENT LIABILITIES:
CLASS D 9.00% PREFERRED UNITS, 530,000 and 600,000 preferred units issued and outstanding, respectively	$ 486,843	$ 551,097
Preferred units dividend rate	9.00%
Temporary equity, issued and outstanding (in units)	530,000	600,000
Series B Preferred Stock
EQUITY:
Preferred limited partners	$ 305,468	$ 305,468
Preferred units, issued and outstanding (in units)	12,585,642	12,585,642
Series C Preferred Stock
EQUITY:
Preferred limited partners	$ 42,891	$ 42,891
Preferred units, issued and outstanding (in units)	1,800,000	1,800,000