Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2019	Jul. 31, 2018
Accounts receivable pledged as collateral	$ 201,717	$ 120,079
Amortizable intangible assets, accumulated amortization	$ 407,795	$ 399,629
Common unitholders, units outstanding	97,152,665	97,152,665
General partner unitholder, units outstanding	989,926	989,926
Ferrellgas Partners Finance Corp. [Member]
Common stock, par value	$ 1.00	$ 1.00
Common stock, shares authorized	2,000	2,000
Common stock, shares issued	1,000	1,000
Common stock, shares outstanding	1,000	1,000
Ferrellgas, L.P. [Member]
Accounts receivable pledged as collateral	$ 201,717	$ 120,079
Amortizable intangible assets, accumulated amortization	$ 407,795	$ 399,629
Ferrellgas Finance Corp. [Member]
Common stock, par value	$ 1.00	$ 1.00
Common stock, shares authorized	2,000	2,000
Common stock, shares issued	1,000	1,000
Common stock, shares outstanding	1,000	1,000