Note 20 - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands		Jul. 31, 2022	Oct. 31, 2021
Total		$ 87,586	$ 151,104
Fair Value, Inputs, Level 2 [Member]
Mortgage loans held for sale	[1]	87,795	151,059
Total		87,508	150,952
Fair Value, Inputs, Level 2 [Member] | Forward Contracts [Member]
Derivative Fair Value		(287)	(107)
Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Commitments [Member]
Derivative Fair Value		$ 78	$ 152

[1] The aggregate unpaid principal balance was $86.2 million and $146.5 million at July 31, 2022 and October 31, 2021, respectively.