Redeemable Preferred Stock - Redeemable Series B Preferred Stock (Details) - Series B Preferred Stock - USD ($) $ / shares in Units, $ in Thousands	18 Months Ended
	Apr. 30, 2023	Oct. 31, 2022	Mar. 31, 2005
Class Of Stock [Line Items]
Preferred stock, shares authorized	105,875		105,875
Preferred stock, liquidation preference per share	$ 1,000.00
Preferred stock shares outstanding	64,020	64,020
Temporary equity, carrying amount, attributable to parent	$ 59,857	$ 59,857
Preferred stock, shares issued	64,020	64,020
Dividends, preferred stock, cash	$ 1,600