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Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
-SubTopic 10
-Section S99
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Amount of interest income earned from interest-bearing assets owed to the entity by related party.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
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-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
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-Name Accounting Standards Codification
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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Transactions With Related Parties (Details) $ in Thousands	3 Months Ended		6 Months Ended
Transactions With Related Parties (Details) $ in Thousands	Jan. 31, 2021 USD ($) employee	Jan. 31, 2020 USD ($)	Jan. 31, 2021 USD ($) employee	Jan. 31, 2020 USD ($)	Jan. 28, 2021 USD ($)
Related Party Transaction [Line Items]
Entity Number of Employees \| employee	0		0
Ferrellgas Inc., General Partner [Member] \| Operating Expense [Member]
Related Party Transaction [Line Items]
Expenses reimbursed to related party	$ 70,655	$ 73,084	$ 131,635	$ 136,555
Ferrellgas Inc., General Partner [Member] \| General and Administrative Expense [Member]
Related Party Transaction [Line Items]
Expenses reimbursed to related party	$ 10,375	7,476	$ 17,094	13,963
Ferrellgas, L.P. [Member]
Related Party Transaction [Line Items]
Entity Number of Employees \| employee	0		0
Ferrellgas, L.P. [Member] \| Ferrellgas Inc., General Partner [Member] \| Operating Expense [Member]
Related Party Transaction [Line Items]
Expenses reimbursed to related party	$ 70,655	73,084	$ 131,635	136,555
Ferrellgas, L.P. [Member] \| Ferrellgas Inc., General Partner [Member] \| General and Administrative Expense [Member]
Related Party Transaction [Line Items]
Expenses reimbursed to related party	$ 10,375	$ 7,476	17,094	$ 13,963
Ferrellgas, L.P. [Member] \| Ferrellgas Partners LP [Member]
Related Party Transaction [Line Items]
Term loan					$ 19,900
Interest rate, as a percent					20.00%
Interest income			$ 300
Ferrellgas Finance Corp. [Member]
Related Party Transaction [Line Items]
Entity Number of Employees \| employee	0		0
Ferrellgas Partners Finance Corp. [Member]
Related Party Transaction [Line Items]
Entity Number of Employees \| employee	0		0