Segment Information - Summary of Financial Information Relating to Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information
Revenues	$ 1,144,673	$ 838,516	$ 3,238,999	$ 2,455,506
Income before income taxes	151,547	99,551	441,356	286,201
Real estate inventories	3,412,633		3,412,633		$ 3,337,483
Total assets	4,779,255		4,779,255		4,914,588
Goodwill	139,300		139,300		139,300
Homebuilding Segment
Segment Reporting Information
Revenues	1,127,023	827,758	3,191,181	2,425,502
Income before income taxes	146,180	94,920	425,438	275,560
Real estate inventories	3,412,633		3,412,633		3,337,483
Total assets	4,642,256		4,642,256		4,868,262
Goodwill	139,300		139,300		139,300
Homebuilding Segment | Corporate
Segment Reporting Information
Total assets	742,483		742,483		941,824
Homebuilding Segment | West
Segment Reporting Information
Revenues	690,577	544,168	1,921,817	1,550,905
Income before income taxes	92,261	60,965	255,643	186,372
Goodwill	125,400		125,400		125,400
Homebuilding Segment | West | Operating Segments
Segment Reporting Information
Real estate inventories	2,159,917		2,159,917		2,209,113
Total assets	2,430,880		2,430,880		2,557,608
Homebuilding Segment | Central
Segment Reporting Information
Revenues	262,485	165,322	838,302	529,952
Income before income taxes	32,327	19,075	119,645	50,917
Goodwill	8,300		8,300		8,300
Homebuilding Segment | Central | Operating Segments
Segment Reporting Information
Real estate inventories	813,793		813,793		762,051
Total assets	985,021		985,021		947,200
Homebuilding Segment | East
Segment Reporting Information
Revenues	173,961	118,268	431,062	344,645
Income before income taxes	21,592	14,880	50,150	38,271
Goodwill	5,600		5,600		5,600
Homebuilding Segment | East | Operating Segments
Segment Reporting Information
Real estate inventories	438,923		438,923		366,319
Total assets	483,872		483,872		421,630
Financial services
Segment Reporting Information
Revenues	17,650	10,758	47,818	30,004
Income before income taxes	5,367	$ 4,631	15,918	$ 10,641
Financial services | Operating Segments
Segment Reporting Information
Total assets	$ 136,999		$ 136,999		$ 46,326