Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Total revenues	$ 4,216,314	$ 3,161,192	$ 2,535,911
Selling, general and administrative	(389,610)	(341,710)	(301,525)
Loss on debt extinguishment	(14,458)		(10,832)
Inventory impairment and other	(41)	(2,172)	(4,783)
Other income (expense)	(3,142)	(2,211)	(5,190)
Income before income tax expense	641,122	270,240	132,635
Income tax expense	(142,618)	(64,083)	(19,641)
Net income	$ 498,504	$ 206,157	$ 112,994
Earnings per share:
Basic	$ 14.79	$ 6.19	$ 3.66
Diluted	$ 14.47	$ 6.13	$ 3.62
Weighted average common shares outstanding:
Basic	33,706,782	33,312,554	30,886,382
Diluted	34,444,918	33,610,098	31,186,952
Homebuilding [Member]
Revenues
Total revenues	$ 4,092,576	$ 3,057,884	$ 2,492,649
Cost of revenues	(3,095,363)	(2,490,062)	(2,048,371)
Home Sales [Member]
Revenues
Total revenues	4,032,969	3,027,167	2,481,465
Cost of revenues	(3,056,048)	(2,468,133)	(2,040,241)
Land Sales And Other [Member]
Revenues
Total revenues	59,607	30,717	11,184
Cost of revenues	(39,315)	(21,929)	(8,130)
Financial Services [Member]
Revenues
Total revenues	123,738	103,308	43,262
Cost of revenues	$ (72,578)	$ (54,797)	$ (32,575)