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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
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