Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest expense	$ (5,956)	$ (5,723)	$ (11,874)	$ (11,517)
Income before taxes	148,684	108,824	211,047	158,531
Income tax expense	(55,289)	(40,646)	(78,594)	(66,504)
Net income	$ 93,395	$ 68,178	$ 132,453	$ 92,027
Basic earnings per share	$ 22.97	$ 15.68	$ 32.61	$ 20.88
Diluted earnings per share	$ 21.91	$ 15.17	$ 31.17	$ 20.19
Basic weighted average shares outstanding	4,066	4,349	4,062	4,408
Diluted weighted average shares outstanding	4,262	4,495	4,249	4,557
Homebuilding [Member]
Revenues	$ 1,221,111	$ 1,084,080	$ 2,162,649	$ 1,883,267
Other income	1,122	452	1,847	1,449
Cost of sales	(986,854)	(882,778)	(1,768,522)	(1,537,930)
Selling, general and administrative	(92,314)	(93,583)	(190,543)	(184,215)
Operating income	143,065	108,171	205,431	162,571
Interest expense	(5,817)	(5,593)	(11,599)	(11,277)
Income before taxes	137,248	102,578	193,832	151,294
Mortgage Banking [Member]
Mortgage banking fees	22,522	17,974	38,733	30,097
Interest income	1,303	825	2,381	2,009
Other income	243	194	348	253
General and administrative	(12,493)	(12,617)	(23,972)	(24,882)
Interest expense	(139)	(130)	(275)	(240)
Income before taxes	$ 11,436	$ 6,246	$ 17,215	$ 7,237