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Financial Instruments and Fair Value Disclosures - (Fair Value Assets Measured On Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring - Level 3 - Homebuilding - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Aug. 31, 2022 | Aug. 31, 2021 | Aug. 31, 2022 | Aug. 31, 2021
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Finished homes and construction in progress, carrying value | $ 21,268 | $ 3,968 | $ 55,292 | $ 25,752
Finished homes and construction in progress, fair value | 17,034 | 2,287 | 48,075 | 11,015
Finished homes and construction in progress, total losses, net | (4,234) | (1,681) | (7,217) | (14,737)
Land and land under development, carrying value | 100,043 | 1,625 | 129,580 | 2,145
Land and land under development, fair value | 93,095 | 862 | 111,003 | 862
Land and land under development, total losses, net | (6,948) | (763) | (18,577) | (1,283)
Carrying Value |  |  |  |
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Investments in unconsolidated entities | (1,453) | 0 | (1,453) | 0
Fair Value |  |  |  |
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Investments in unconsolidated entities | 0 | 0 | 0 | 0
Equity Method Investments |  |  |  |
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Investments in unconsolidated entities, valuation adjustment | $ 1,453 | $ 0 | $ 1,453 | $ 0

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