Financial Instruments and Fair Value Disclosures - (Reconciliation Of Beginning And Ending Balance For The Company's Level 3 Recurring Fair Value Measurements) (Details) - Lennar Financial Services - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Mortgage servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 3,475	$ 3,450	$ 3,440	$ 3,463
Purchases/loan originations	171	69	232	120
Sales/loan originations sold, including those not settled	0	0	0	0
Disposals/settlements	(44)	(80)	(70)	(143)
Changes in fair value	50	(41)	50	(42)
Interest and principal paydowns	0	0	0	0
Ending balance	3,652	3,398	3,652	3,398
LMF Commercial loans held-for-sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	125,397	25,835	13,459	25,599
Purchases/loan originations	71,510	84,590	212,335	164,070
Sales/loan originations sold, including those not settled	(129,335)	(88,102)	(156,285)	(165,302)
Disposals/settlements	0	0	0	0
Changes in fair value	(857)	434	(2,985)	(11)
Interest and principal paydowns	0	(3)	191	(1,602)
Ending balance	$ 66,715	$ 22,754	$ 66,715	$ 22,754