Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Total revenues	$ 1,042,912	$ 776,444	$ 2,051,481	$ 1,379,053
Selling, general and administrative	(99,656)	(86,706)	(191,807)	(160,325)
Inventory impairment and other	(41)	(910)	(41)	(1,691)
Other income (expense)	(1,245)	(2,942)	(1,786)	(2,784)
Income before income tax expense	152,134	50,103	283,183	84,191
Income tax expense	(34,224)	(11,653)	(63,621)	(19,615)
Net income	$ 117,910	$ 38,450	$ 219,562	$ 64,576
Earnings per share:
Basic	$ 3.49	$ 1.15	$ 6.52	$ 1.94
Diluted	$ 3.47	$ 1.15	$ 6.47	$ 1.93
Weighted average common shares outstanding:
Basic	33,738,586	33,340,184	33,651,727	33,274,056
Diluted	33,956,638	33,461,694	33,920,939	33,469,069
Homebuilding [Member]
Revenues
Total revenues	$ 1,013,047	$ 750,722	$ 1,987,996	$ 1,343,536
Cost of revenues	(771,668)	(623,039)	(1,538,195)	(1,107,732)
Home Sales [Member]
Revenues
Total revenues	1,004,789	747,415	1,964,068	1,320,125
Cost of revenues	(764,668)	(620,655)	(1,521,175)	(1,091,181)
Land Sales And Other [Member]
Revenues
Total revenues	8,258	3,307	23,928	23,411
Cost of revenues	(7,000)	(2,384)	(17,020)	(16,551)
Financial Services [Member]
Revenues
Total revenues	29,865	25,722	63,485	35,517
Cost of revenues	$ (18,168)	$ (12,744)	$ (36,469)	$ (22,330)