Segment Information (Operating Data By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Total revenues	$ 4,188,753	$ 3,879,752	$ 7,764,394	$ 7,029,271
Income (loss) before income taxes:
Income before income taxes	953,013	864,573	1,655,135	1,464,466
Adjustment to self insurance reserves	(64,900)
Homebuilding
Revenues:
Revenues	4,096,534	3,796,977	7,614,238	6,862,353
Income (loss) before income taxes:
Income before income taxes	906,518	824,498	1,594,738	1,383,798
Financial Services
Revenues:
Revenues	92,219	82,775	150,156	166,918
Income (loss) before income taxes:
Income before income taxes	46,495	40,075	60,397	80,668
Homebuilding | Northeast
Revenues:
Revenues	229,371	245,167	450,020	407,494
Income (loss) before income taxes:
Income before income taxes	51,165	59,971	97,962	87,370
Homebuilding | Southeast
Revenues:
Revenues	732,328	582,671	1,362,629	1,105,909
Income (loss) before income taxes:
Income before income taxes	179,707	152,257	325,010	278,389
Homebuilding | Florida
Revenues:
Revenues	1,228,474	981,480	2,305,588	1,740,781
Income (loss) before income taxes:
Income before income taxes	318,066	247,435	588,803	408,129
Homebuilding | Midwest
Revenues:
Revenues	474,460	548,229	868,329	996,131
Income (loss) before income taxes:
Income before income taxes	78,381	88,323	137,285	153,066
Homebuilding | Texas
Revenues:
Revenues	613,838	564,027	1,100,231	1,002,881
Income (loss) before income taxes:
Income before income taxes	126,054	134,133	206,119	217,849
Homebuilding | West
Revenues:
Revenues	818,063	875,403	1,527,441	1,609,157
Income (loss) before income taxes:
Income before income taxes	100,423	184,788	200,000	318,057
Homebuilding | Other homebuilding
Income (loss) before income taxes:
Income before income taxes	$ 52,722	$ (42,409)	$ 39,559	$ (79,062)