Equity (Deficit) - Limited Partner Units (Details) - shares	Jul. 31, 2025	Jul. 31, 2024	Mar. 30, 2021
Capital Unit [Line Items]
Limited partner unitholders, units outstanding			97,152,665
Class A Limited Partner Units
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	4,857,605	4,857,605	4,857,605
James E. Ferrell | Class A Limited Partner Units
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	238,172	238,172
Ferrell Companies | Class A Limited Partner Units
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	1,126,468	1,126,468
FCI Trading Corp. | Class A Limited Partner Units
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	9,784	9,784
Ferrell Propane, Inc. | Class A Limited Partner Units
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	2,560	2,560
Public Common Unitholders | Class A Limited Partner Units
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	3,480,621	3,480,621