v3.26.1
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 6 Months Ended
May 31, 2026
May 31, 2025
May 31, 2026
May 31, 2025
Homebuilding        
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]        
Finished homes and construction in progress, carrying value $ 310,460 $ 470,734 $ 714,753 $ 742,658
Finished homes and construction in progress, fair value 242,214 421,051 613,721 672,632
Finished homes and construction in progress, total losses, net (68,246) (49,683) (101,032) (70,026)
Land and land under development, carrying value 549 0 549 191
Land and land under development, fair value 0 0 0 134
Land and land under development, total losses, net (549) 0 (549) (57)
Deposits and pre-acquisition costs on real estate, carrying value 1,397 8,661 6,738 8,928
Deposits and pre-acquisition costs on real estate, fair value 0 0 0 0
Deposits and pre-acquisition costs on real estate, net (1,397) (8,661) (6,738) (8,928)
Other assets, carrying value       10,716
Other assets, fair value       0
Other assets, total losses, net       $ (10,716)
Multifamily        
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]        
Land and land under development, carrying value   3,122    
Land and land under development, fair value   0    
Land and land under development, total losses, net   $ (3,122)    
Lennar Financial Services        
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]        
Loans Held For Sale, Carrying Value 13,830   14,316  
Loans Held For Sale, Fair Value 14,168   13,830  
Loans Held For Sale, Net $ (338)   $ (486)