Segment Information (Operating Data By Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Revenues	$ 17,946,950	$ 16,061,578	$ 16,002,979
Selling, general, and administrative expenses	(1,321,276)	(1,312,642)	(1,381,222)
Other Segment Items	(118,136)	(144,856)	(194,414)
Income (loss) before income taxes:
Income before income taxes	4,005,879	3,449,267	3,439,558
Adjustment to self insurance reserves	(333,853)	(130,841)	(64,965)
Gain (loss) on debt retirement	(222)	663	0
Florida | Non-Homebuilding Property
Income (loss) before income taxes:
Gain Property Sale, Unconsolidated Entity	17,500
West | Non-Homebuilding Property
Income (loss) before income taxes:
Gain Property Sale, Unconsolidated Entity	10,700		49,100
Homebuilding
Revenues:
Cost of Goods and Services Sold	(12,501,659)	(11,154,813)	(10,987,785)
Operating Segments | Homebuilding
Revenues:
Revenues	17,513,956	15,740,823	15,691,263
Other Segment Items	104,903	42,707	(14,928)
Income (loss) before income taxes:
Income before income taxes	3,795,924	3,316,075	3,307,328
Operating Segments | Homebuilding | Northeast
Revenues:
Revenues	1,068,199	969,107	1,062,764
Cost of Goods and Services Sold	(729,284)	(665,616)	(727,640)
Selling, general, and administrative expenses	(94,925)	(85,666)	(86,559)
Other Segment Items	(13,994)	(7,317)	(14,058)
Income (loss) before income taxes:
Income before income taxes	229,996	210,508	234,507
Operating Segments | Homebuilding | Southeast
Revenues:
Revenues	2,880,882	2,669,065	2,761,629
Cost of Goods and Services Sold	(1,948,510)	(1,792,371)	(1,804,862)
Selling, general, and administrative expenses	(287,274)	(255,327)	(251,062)
Other Segment Items	(13,571)	(17,524)	(34,223)
Income (loss) before income taxes:
Income before income taxes	631,527	603,843	671,482
Operating Segments | Homebuilding | Florida
Revenues:
Revenues	4,706,048	4,650,355	3,816,917
Cost of Goods and Services Sold	(3,153,767)	(3,040,705)	(2,511,830)
Selling, general, and administrative expenses	(427,392)	(396,978)	(354,284)
Other Segment Items	(3,578)	(19,191)	(35,341)
Income (loss) before income taxes:
Income before income taxes	1,121,311	1,193,481	915,462
Operating Segments | Homebuilding | Midwest
Revenues:
Revenues	2,590,309	2,084,807	2,289,216
Cost of Goods and Services Sold	(1,854,693)	(1,521,994)	(1,713,031)
Selling, general, and administrative expenses	(236,195)	(196,159)	(209,579)
Other Segment Items	(9,236)	(12,688)	(20,795)
Income (loss) before income taxes:
Income before income taxes	490,185	353,966	345,811
Operating Segments | Homebuilding | Texas
Revenues:
Revenues	2,140,699	2,040,164	2,180,852
Cost of Goods and Services Sold	(1,526,930)	(1,434,639)	(1,471,186)
Selling, general, and administrative expenses	(257,490)	(224,434)	(245,680)
Other Segment Items	(10,685)	(9,189)	(21,215)
Income (loss) before income taxes:
Income before income taxes	345,594	371,902	442,771
Operating Segments | Homebuilding | West
Revenues:
Revenues	3,933,430	3,182,947	3,436,741
Cost of Goods and Services Sold	(3,017,970)	(2,476,076)	(2,490,505)
Selling, general, and administrative expenses	(341,613)	(284,392)	(301,175)
Other Segment Items	(21,008)	(42,486)	(7,068)
Income (loss) before income taxes:
Income before income taxes	552,839	379,993	637,993
Operating Segments | Homebuilding | Other homebuilding
Revenues:
Revenues	194,389	144,378	143,144
Cost of Goods and Services Sold	(270,505)	(223,412)	(268,731)
Selling, general, and administrative expenses	323,613	130,314	67,117
Other Segment Items	176,975	151,102	117,772
Income (loss) before income taxes:
Income before income taxes	424,472	202,382	59,302
Operating Segments | Financial Services
Revenues:
Revenues	432,994	320,755	311,716
Other Segment Items	(223,039)	(187,563)	(179,486)
Income (loss) before income taxes:
Income before income taxes	209,955	133,192	132,230
Home sale revenues
Income (loss) before income taxes:
Gain Property Sale, Unconsolidated Entity	39,500
Home sale revenues | Homebuilding
Revenues:
Revenues	17,318,521	15,598,707	15,548,119
Cost of Goods and Services Sold	$ (12,311,766)	$ (11,030,206)	$ (10,867,879)