Members' Equity (Details) - USD ($)	3 Months Ended			12 Months Ended
	Oct. 31, 2019	Apr. 30, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Equity, Class of Treasury Stock [Line Items]
Common stock, shares authorized (in shares)	10,000			10,000
Stock repurchased during period (in shares)		4		5	2	78.5
Share price (in dollars per share)		$ 8,000
Payments for repurchase of common stock		$ 32,000		$ 39,200	$ 16,000	$ 550,000
Repurchase of Units, One
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period (in shares)	1
Share price (in dollars per share)	$ 7,200			$ 7,200
Payments for repurchase of common stock	$ 7,200
Repurchase of Units, Two
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period (in shares)			2
Share price (in dollars per share)			$ 8,000		$ 8,000
Payments for repurchase of common stock			$ 16,000