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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
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)