Business Segments Business Segments - Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	$ 56,175	$ 52,918
Inventory	2,760,090	2,399,516
Investment in joint venture arrangements	55,625	57,121
Other assets	621,434	730,298
Total assets	3,493,324	3,239,853
Northern Homebuilding [Member]
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	7,002	4,123
Inventory	1,086,685	987,258
Investment in joint venture arrangements	0	0
Other assets	43,562	37,527
Total assets	1,137,249	1,028,908
Southern Homebuilding [Member]
Segment Reporting Information [Line Items]
Deposits on real estate under option or contract	49,173	48,795
Inventory	1,673,405	1,412,258
Investment in joint venture arrangements	55,625	57,121
Other assets	85,585	63,844
Total assets	1,863,788	1,582,018
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	492,287	628,927
Total assets	$ 492,287	$ 628,927