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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, 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)