Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest expense	$ (5,088)	$ (5,918)
Income before taxes	103,312	62,363
Income tax expense	(38,009)	(23,305)
Net income	$ 65,303	$ 39,058
Basic earnings per share	$ 16.81	$ 9.63
Diluted earnings per share	$ 15.79	$ 9.22
Basic weighted average shares outstanding	3,884	4,057
Diluted weighted average shares outstanding	4,135	4,235
Homebuilding [Member]
Revenues	$ 1,121,504	$ 941,538
Other income	767	725
Cost of sales	(925,760)	(781,668)
Selling, general and administrative	(98,015)	(98,229)
Operating income	98,496	62,366
Interest expense	(4,842)	(5,782)
Income before taxes	93,654	56,584
Mortgage Banking [Member]
Mortgage banking fees	22,522	16,211
Interest income	1,674	1,078
Other income	258	105
General and administrative	(14,550)	(11,479)
Interest expense	(246)	(136)
Income before taxes	$ 9,658	$ 5,779