Note 14 - Preferred Stock (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 12, 2005	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021	Oct. 31, 2021
Preferred Stock, Shares Issued, Total (in shares)		5,600		5,600		5,600
Payments of Dividends, Total				$ 8,007	$ (0)
Preferred Class A [Member]
Preferred Stock, Shares Issued, Total (in shares)	5,600
Preferred Stock, Dividend Rate, Percentage	7.625%
Preferred Stock, Liquidation Preference Per Share (in dollars per share)	$ 25,000
Preferred Stock, Depositary Shares, Number of Shares of Preferred Stock in Each Depositary Share (in shares)	0.001
Payments of Dividends, Total		$ 2,700	$ 0	$ 8,000	$ 0