Note 19 - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		Jul. 31, 2019	Oct. 31, 2018
Total		$ 83,852	$ 130,694
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Mortgage loans held for sale	[1]	83,846	130,709
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Lock Commitments [Member]
Derivative Fair Value		42	(28)
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Forward Contracts [Member]
Derivative Fair Value		$ (36)	$ 13

[1] The aggregate unpaid principal balance was $81.4 million and $127.6 million at July 31, 2019 and October 31, 2018, respectively.