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		Jan. 31, 2022	Oct. 31, 2021
Total		$ 81,892	$ 151,104
Fair Value, Inputs, Level 2 [Member]
Mortgage loans held for sale	[1]	82,402	151,059
Total		82,537	150,952
Fair Value, Inputs, Level 2 [Member] | Forward Contracts [Member]
Derivative Fair Value		135	(107)
Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Commitments [Member]
Derivative Fair Value		$ (645)	$ 152

[1] The aggregate unpaid principal balance was $80.4 million and $146.5 million at January 31, 2022 and October 31,2021, respectively.