Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Costs and Expenses [Abstract]
Revenue	$ 828,776	$ 577,603
Land and housing	626,585	460,924
General and administrative	45,205	33,847
Selling	45,689	36,828
Equity in loss (income) from joint venture arrangements	(160)	(52)
Interest	1,176	4,700
Total costs and expenses	718,495	536,247
Income before income taxes	110,281	41,356
Provision for income taxes	25,415	9,610
Net income	$ 84,866	$ 31,746
Earnings per common share:
Basic	$ 2.92	$ 1.11
Diluted	$ 2.85	$ 1.09
Weighted Average Number of Shares Outstanding [Abstract]
Basic	29,015	28,478
Diluted	29,743	29,009