Note 19 - Fair Value of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2018 |
Apr. 30, 2017 |
Apr. 30, 2018 |
Apr. 30, 2017 |
|
| Total Losses | $ (2,100) | $ (1,500) | $ (2,100) | $ (4,200) |
| Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | ||||
| Pre-Impairment Amount | 11,170 | 8,474 | 11,170 | 14,776 |
| Total Losses | (2,117) | (1,549) | (2,117) | (4,136) |
| Fair Value of Inventory | 9,053 | 6,925 | 9,053 | 10,640 |
| Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | ||||
| Pre-Impairment Amount | 6,326 | |||
| Total Losses | (81) | |||
| Fair Value of Inventory | $ 6,245 | |||