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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, 2020
Oct. 31, 2019
Total $ 98,652 $ 165,985
Fair Value, Inputs, Level 2 [Member]    
Mortgage loans held for sale [1] 98,706 166,007
Total 98,339 165,943
Fair Value, Inputs, Level 2 [Member] | Forward Contracts [Member]    
Derivative Fair Value (367) (64)
Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Commitments [Member]    
Derivative Fair Value $ 313 $ 42
[1] The aggregate unpaid principal balance was $95.1 million and $161.1 million at July 31, 2020 and October 31, 2019, respectively.