Segment Information - Summary of Financial Information Relating to Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment Reporting Information
Revenue	$ 1,017,689	$ 1,018,064	$ 1,753,933	$ 1,739,030
Income before taxes	183,874	157,134	302,598	251,537
Real estate inventories	3,490,321		3,490,321		$ 3,054,743
Total assets	4,414,658		4,414,658		4,336,223
Goodwill	139,304		139,304		139,304
Financial services
Segment Reporting Information
Revenue	12,228	2,681	20,980	4,786
Income before taxes	5,906	5,145	9,396	8,534
Total assets	43,620		43,620		46,845
Homebuilding revenue
Segment Reporting Information
Revenue	1,005,461	1,015,383	1,732,953	1,734,244
Income before taxes	177,968	151,989	293,202	243,003
Real estate inventories	3,490,321		3,490,321		3,054,743
Total assets	4,371,038		4,371,038		4,289,378
Goodwill	139,300		139,300		139,300
Homebuilding revenue | Corporate
Segment Reporting Information
Total assets	394,710		394,710		781,265
Homebuilding revenue | West
Segment Reporting Information
Revenue	670,692	784,952	1,201,188	1,324,998
Income before taxes	129,604	130,254	230,161	209,831
Goodwill	125,400		125,400		125,400
Homebuilding revenue | West | Operating Segments
Segment Reporting Information
Real estate inventories	2,487,811		2,487,811		2,242,314
Total assets	2,776,540		2,776,540		2,505,237
Homebuilding revenue | Central
Segment Reporting Information
Revenue	214,402	149,620	351,499	270,738
Income before taxes	33,896	15,853	46,847	25,550
Goodwill	8,300		8,300		8,300
Homebuilding revenue | Central | Operating Segments
Segment Reporting Information
Real estate inventories	651,267		651,267		543,097
Total assets	795,357		795,357		674,862
Homebuilding revenue | East
Segment Reporting Information
Revenue	120,367	80,811	180,266	138,508
Income before taxes	14,468	$ 5,882	16,194	$ 7,622
Goodwill	5,600		5,600		5,600
Homebuilding revenue | East | Operating Segments
Segment Reporting Information
Real estate inventories	351,243		351,243		269,332
Total assets	$ 404,431		$ 404,431		$ 328,014