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Note 20 - Fair Value of Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Oct. 31, 2021
Loans Held for Sale Mortgages Unpaid Principal $ 80,400   $ 146,500
Other Commitment, Total 21,000    
Impairment of Real Estate 0 $ 800  
Senior Secured Revolving Credit Facility [Member]      
Long-term Line of Credit, Total $ 0   $ 0
The 5.0% 2040 Notes [Member]      
Debt Instrument, Interest Rate, Stated Percentage 5.00%    
Fair Value, Nonrecurring [Member]      
Assets, Fair Value Disclosure $ 0    
Loan Origination Commitments [Member]      
Loan Applications in Process $ 1,000    
Loan Origination Commitments [Member] | Maximum [Member]      
Number of Days in Committment (Day) 60 days    
Interest Rate Committed Loan Applications [Member]      
Interest Rate Committed Loan Applications $ 104,800