Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue
Home sales revenues	$ 292,398	$ 248,075	$ 257,179	$ 181,081	$ 204,519	$ 179,775	$ 186,808	$ 154,335	$ 978,733	$ 725,437	$ 351,823
Land sales revenues									11,799	3,405	4,800
Golf course and other revenue									3,908	5,647	5,769
Total revenue									994,440	734,489	362,392
Costs and expenses
Cost of home sales revenues									786,127	579,203	276,386
Cost of land sales revenues									10,589	3,395	1,808
Cost of golf course and other revenue									3,628	5,037	6,301
Selling, general, and administrative									122,224	87,840	46,795
Total operating costs and expenses									922,568	675,475	331,290
Operating income									71,872	59,014	31,102
Other income (expense):
Interest income									195	129	362
Interest expense									(5)	(10)	(26)
Equity in income of unconsolidated subsidiaries									191
Acquisition expense									(490)	(491)	(1,414)
Other income									940	1,535	736
Gain (loss) on disposition of assets									446	128	199
Income before income tax expense	21,892	19,731	19,097	12,429	20,405	15,945	14,431	9,524	73,149	60,305	30,959
Income tax expense									23,609	20,415	10,937
Net income	$ 15,073	$ 13,342	$ 13,142	$ 7,983	$ 13,158	$ 10,583	$ 9,798	$ 6,351	$ 49,540	$ 39,890	$ 20,022
Earnings per share:
Basic									$ 2.34	$ 1.88	$ 1.03
Diluted									$ 2.33	$ 1.88	$ 1.03
Weighted average common shares outstanding:
Basic									20,679,189	20,569,012	19,226,504
Diluted									20,791,937	20,569,012	19,226,504