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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 | 6 Months Ended
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May 31, 2021 | May 31, 2020 | May 31, 2021 | May 31, 2020
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Finished homes and construction in progress, carrying value | $ 19,240 | $ 68,802 | $ 21,784 | $ 141,809
Finished homes and construction in progress, fair value | 6,378 | 61,119 | 8,728 | 120,404
Finished homes and construction in progress, total losses, net | (12,862) | (7,683) | (13,056) | (21,405)
Land and land under development, carrying value | 78 | 42,609 | 520 | 65,062
Land and land under development, fair value | 0 | 9,709 | 0 | 21,369
Land and land under development, total losses, net | $ (78) | $ (32,900) | $ (520) | $ (43,693)

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