Note 20 - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		Apr. 30, 2024	Oct. 31, 2023
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale	[1]	$ 97,075	$ 130,235

[1] The aggregate unpaid principal balance was $96.2 million and $130.4 million at April 30, 2024 and October 31, 2023, respectively.