v3.26.1
Financial Instruments and Fair Value Disclosures - (Fair Value Measured On Recurring Basis) (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Feb. 28, 2026
Nov. 30, 2025
Level 1 | Lennar Financial Services | Forward options    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Derivative asset $ 2,076 $ 986
Level 1 | Lennar Other    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Investments in equity securities 108,012 232,372
Level 3 | Lennar Financial Services    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Mortgage servicing rights 2,783 3,266
Level 3 | Lennar Other    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Investments available-for-sale 38,655 39,060
Residential | Loans held-for-sale | Lennar Financial Services    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Aggregate principal balance 1,760,512 2,206,966
Aggregate fair value of loans (below) in excess of principal balance (3,828) (36,289)
Residential | Level 2 | Lennar Financial Services    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Loans held for sale 1,756,684 2,170,677
Commercial | Loans held-for-sale | Lennar Financial Services    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Aggregate principal balance 76,250 26,525
Aggregate fair value of loans (below) in excess of principal balance (1,457) (124)
Commercial | Level 3 | Lennar Financial Services    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Loans held for sale $ 74,793 $ 26,401