Benefit Plans - Summary of Information about Stock Options Outstanding and Exercisable (Details)	12 Months Ended
	Oct. 31, 2021 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number outstanding	22,388
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 4 months 24 days
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable	22,388
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 78.21
$0.00-$38.76 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number outstanding	13,192
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 9 months 18 days
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable	13,192
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 19.16
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 19.16
$38.77- $416.16 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number outstanding	9,196
Options Outstanding, Weighted Average Remaining Contractual Life	2 years 4 months 24 days
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable	9,196
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 162.92
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 162.92