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Financial Instruments and Fair Value Disclosures - (Fair Value Assets Measured On Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring - Level 3 - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Aug. 31, 2024 | Aug. 31, 2023 | Aug. 31, 2024 | Aug. 31, 2023
Homebuilding |  |  |  |
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Finished homes and construction in progress, carrying value | $ 120,811 | $ 67,006 | $ 313,120 | $ 250,822
Finished homes and construction in progress, fair value | 111,776 | 57,801 | 280,761 | 216,703
Finished homes and construction in progress, total losses, net | (9,035) | (9,205) | (32,359) | (34,119)
Land and land under development, carrying value | 0 | 25,160 | 0 | 50,895
Land and land under development, fair value | 0 | 24,612 | 0 | 48,315
Land and land under development, total losses, net | 0 | (548) | 0 | (2,580)
Deposits and pre-acquisition costs on real estate, carrying value | 206 | 1,580 | 3,408 | 18,710
Deposits and pre-acquisition costs on real estate, fair value | 0 | 0 | 0 | 0
Deposits and pre-acquisition costs on real estate, net | (206) | (1,580) | (3,408) | (18,710)
Other assets, carrying value |  |  | 0 | 78,834
Other assets, fair value |  |  | 0 | 37,792
Other assets, total losses, net |  |  | 0 | (41,042)
Multifamily |  |  |  |
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] |  |  |  |
Land and land under development, carrying value | 139,980 | 0 | 139,980 | 0
Land and land under development, fair value | 49,970 | 0 | 49,970 | 0
Land and land under development, total losses, net | $ (90,010) | $ 0 | $ (90,010) | $ 0

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