Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Homebuilding:
Inventory impairments	$ (919)	$ (1,105)	$ (12,965)
Interest expense	(1,726)	(808)	(20,842)
Income (loss) before income taxes	129,825	61,115	(107,472)
Financial Services:
Income (loss) before income taxes	129,825	61,115	(107,472)
Benefit from income taxes	184,560	1,584	9,082
Net income (loss)	314,385	62,699	(98,390)
Other comprehensive income (loss) related to available for sale securities, net of tax	6,737	12,078	(12,124)
Comprehensive income (loss)	321,122	74,777	(110,514)
Earnings (loss) per share:
Basic (in Dollars per share)	$ 6.39	$ 1.29	$ (2.12)
Diluted (in Dollars per share)	$ 6.34	$ 1.29	$ (2.12)
Weighted average common shares outstanding
Basic (in Shares)	48,453,119	47,660,629	46,796,334
Diluted (in Shares)	48,831,785	47,834,156	46,796,334
Dividends declared per share (in Dollars per share)		$ 2.00	$ 1.00
Homebuilding [Member]
Homebuilding:
Home sale revenues	1,626,707	1,150,998	805,164
Land sale revenues	2,468	5,144	11,859
Total home and land sale revenues	1,629,175	1,156,142	817,023
Home cost of sales	(1,336,978)	(973,120)	(686,661)
Land cost of sales	(1,961)	(4,823)	(10,796)
Inventory impairments	(919)	(1,105)	(12,965)
Total cost of sales	(1,339,858)	(979,048)	(710,422)
Gross margin	289,317	177,094	106,601
Selling, general and administrative expenses	(213,283)	(167,295)	(179,105)
Interest income	26,938	23,398	26,068
Interest expense	(1,726)	(808)	(20,842)
Other income (expense)	(923)	228	(43,350)
Income (loss) before income taxes	100,323	32,617	(110,628)
Financial Services:
Income (loss) before income taxes	100,323	32,617	(110,628)
Financial Services [Member]
Homebuilding:
Total home and land sale revenues	51,259	46,881	26,086
Income (loss) before income taxes	29,502	28,498	3,156
Financial Services:
Revenues	51,259	46,881	26,086
Expenses	(25,271)	(21,645)	(26,306)
Interest and other income	3,514	3,262	3,376
Income (loss) before income taxes	$ 29,502	$ 28,498	$ 3,156