Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues
Total revenues	$ 590,362	$ 561,729	$ 1,743,369	$ 1,495,467
Selling, general and administrative	(72,834)	(70,975)	(216,987)	(191,130)
Loss on debt extinguishment			(10,832)
Acquisition expense		(58)		(395)
Equity in income of unconsolidated subsidiaries				14,849
Other income (expense)	(56)	(545)	(499)	(553)
Income before income tax expense	34,840	22,858	78,667	92,468
Income tax expense	(7,816)	(5,810)	(19,031)	(22,207)
Net income	$ 27,024	$ 17,048	$ 59,636	$ 70,261
Earnings per share:
Basic	$ 0.88	$ 0.56	$ 1.96	$ 2.35
Diluted	$ 0.87	$ 0.56	$ 1.95	$ 2.33
Weighted average common shares outstanding:
Basic	30,587,487	30,232,376	30,378,860	29,885,858
Diluted	30,906,235	30,554,881	30,641,194	30,189,058
Home Sales [Member]
Revenues
Total revenues	$ 573,860	$ 552,876	$ 1,705,798	$ 1,469,871
Cost of revenues	(469,834)	(460,144)	(1,407,519)	(1,206,924)
Land Sales And Other [Member]
Revenues
Total revenues	6,083	1,131	8,837	4,304
Cost of revenues	(4,624)	(1,093)	(6,115)	(3,010)
Homebuilding [Member]
Revenues
Total revenues	579,943	554,007	1,714,635	1,474,175
Cost of revenues	(474,458)	(461,237)	(1,413,634)	(1,209,934)
Financial Services [Member]
Revenues
Total revenues	10,419	7,722	28,734	21,292
Cost of revenues	$ (8,174)	$ (6,056)	$ (22,750)	$ (15,836)