Business Segments Business Segments - Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	$ 51,480	$ 51,608
Inventory	2,722,685	2,745,543
Investment in joint venture arrangements	59,146	44,011
Other assets	1,378,640	1,181,278
Total assets	4,211,951	4,022,440
Northern Homebuilding [Member]
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	9,473	8,990
Inventory	990,437	1,016,982
Investment in joint venture arrangements	0	0
Other assets	42,488	37,171
Total assets	1,042,398	1,063,143
Southern Homebuilding [Member]
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	42,007	42,618
Inventory	1,732,248	1,728,561
Investment in joint venture arrangements	59,146	44,011
Other assets	116,548	104,306
Total assets	1,949,949	1,919,496
Corporate, Financial Services and Unallocated [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	1,219,604	1,039,801
Total assets	$ 1,219,604	$ 1,039,801