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Note 21 - Fair Value of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Total Losses $ (2,000) $ (2,700) $ (2,100)
Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]      
Pre-impairment value 691 9,670  
Total Losses (276) (2,494)  
Fair Value of Inventory 415 7,176  
Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]      
Pre-impairment value 4,089 7,801  
Total Losses (1,741) (185)  
Fair Value of Inventory $ 2,348 $ 7,616