Segment Reporting - Reconciliation of Pretax Operating Income From Segments to Consolidated (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Income before income taxes	$ 526,105	$ 759,854	$ 751,694
Homebuilding:
Segment Reporting Information [Line Items]
Income before income taxes	450,132	691,467	659,688
Income before income taxes	450,132	691,467	659,688
Homebuilding: | Corporate
Segment Reporting Information [Line Items]
Income before income taxes	22,512	(94,239)	(94,631)
Homebuilding: | West | Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	219,560	413,426	463,302
Homebuilding: | Mountain | Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	143,838	245,456	231,523
Homebuilding: | East | Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	64,222	126,824	59,494
Financial Services:
Segment Reporting Information [Line Items]
Income before income taxes	75,973	68,387	92,006
Income before income taxes	75,973	68,387	92,006
Financial Services: | Mortgage operations | Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	40,756	30,177	69,455
Financial Services: | Other | Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	$ 35,217	$ 38,210	$ 22,551