Redeemable Preferred Stock - Redeemable Series B Preferred Stock (Details) - Series B Preferred Stock - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021	Oct. 31, 2021	Mar. 31, 2005
Class Of Stock [Line Items]
Preferred stock, shares authorized	105,875		105,875			105,875
Preferred stock, liquidation preference per share	$ 1,000.00		$ 1,000.00
Preferred Stock Shares Outstanding	64,020		64,020		64,020
Temporary equity, carrying amount, attributable to parent	$ 59,857		$ 59,857		$ 59,857
Preferred stock, shares issued	64,020		64,020		64,020
Dividends, preferred stock, cash	$ 800	$ 800	$ 2,400	$ 2,400