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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, 2021 | Aug. 31, 2020 | Aug. 31, 2021 | Aug. 31, 2020
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Finished homes and construction in progress, carrying value | $ 3,968 | $ 20,650 | $ 25,752 | $ 162,459
Finished homes and construction in progress, fair value | 2,287 | 18,089 | 11,015 | 138,493
Finished homes and construction in progress, total losses, net | (1,681) | (2,561) | (14,737) | (23,966)
Land and land under development, carrying value | 1,625 | 21,621 | 2,145 | 86,683
Land and land under development, fair value | 862 | 12,650 | 862 | 34,019
Land and land under development, total losses, net | $ (763) | $ (8,971) | $ (1,283) | $ (52,664)

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