Business Segments Business Segments - Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	$ 73,653	$ 69,483
Inventory	3,131,052	3,022,379
Investment in joint venture arrangements	70,727	65,334
Other assets	1,309,791	1,392,600
Total assets	4,585,223	4,549,796
Northern Homebuilding [Member]
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	12,289	12,209
Inventory	1,040,026	1,041,713
Investment in joint venture arrangements	0	0
Other assets	50,738	37,721
Total assets	1,103,053	1,091,643
Southern Homebuilding [Member]
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	61,364	57,274
Inventory	2,091,026	1,980,666
Investment in joint venture arrangements	70,727	65,334
Other assets	148,521	132,316
Total assets	2,371,638	2,235,590
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	0	0
Inventory	0	0
Investment in joint venture arrangements	0	0
Other assets	798,506	852,005
Total assets	798,506	852,005
Financial Service
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	0	0
Inventory	0	0
Investment in joint venture arrangements	0	0
Other assets	312,026	370,558
Total assets	312,026	370,558
Operating Segments
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	73,653	69,483
Inventory	3,131,052	3,022,379
Investment in joint venture arrangements	70,727	65,334
Other assets	511,285	540,595
Total assets	$ 3,786,717	$ 3,697,791