Supplemental Guarantor Information (Statement Of Operations and Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Homebuilding
Home sale revenues									$ 5,662,171	$ 5,424,309	$ 4,552,412
Land sale revenues									34,554	114,335	106,698
Total homebuilding revenues	1,786,464	1,561,273	1,254,989	1,093,999	1,624,959	1,547,742	1,240,060	1,125,883	5,696,725	5,538,644	4,659,110
Financial Services	36,093	33,452	31,198	24,895	30,380	34,336	39,362	36,873	125,638	140,951	160,888
Total revenues	1,822,557	1,594,725	1,286,187	1,118,894	1,655,339	1,582,078	1,279,422	1,162,756	5,822,363	5,679,595	4,819,998
Homebuilding Cost of Revenues:
Home sale cost of revenues									4,343,249	4,310,528	3,833,451
Land sale cost of revenues									23,748	104,426	94,880
Total cost of revenues	1,374,951	1,198,908	959,524	833,614	1,249,868	1,230,070	1,011,528	923,488	4,366,997	4,414,954	3,928,331
Financial Services expenses									71,239	92,379	135,511
Selling, general, and administrative expenses									667,815	568,500	514,457
Other expense, net									38,745	80,753	66,298
Interest income									(4,632)	(4,395)	(4,913)
Interest expense									849	712	819
Intercompany interest									0	0	0
Equity in (earnings) loss of unconsolidated entities									(8,408)	(1,130)	(4,059)
Income (loss) before income taxes and equity in income (loss) of subsidiaries									689,758	527,822	183,554
Income tax expense (benefit)	50,025	84,383	25,801	55,210	12,367	(2,107,162)	1,913	588	215,420	(2,092,294)	(22,591)
Income (loss) before equity in income (loss) of subsidiaries									474,338	2,620,116	206,145
Equity in income (loss) of subsidiaries									0	0	0
Net income	217,095	140,545	41,880	74,819	220,053	2,281,884	36,417	81,762	474,338	2,620,116	206,145
Other comprehensive income (loss)									105	197	314
Comprehensive income									474,443	2,620,313	206,459
Parent Company [Member]
Homebuilding
Home sale revenues									0	0	0
Land sale revenues									0	0	0
Total homebuilding revenues									0	0	0
Financial Services									0	0	0
Total revenues									0	0	0
Homebuilding Cost of Revenues:
Home sale cost of revenues									0	0	0
Land sale cost of revenues									0	0	0
Total cost of revenues									0	0	0
Financial Services expenses									784	832	379
Selling, general, and administrative expenses									0	0	0
Other expense, net									8,521	26,870	32,027
Interest income									(337)	(349)	(229)
Interest expense									849	712	819
Intercompany interest									9,800	17,518	587,281
Equity in (earnings) loss of unconsolidated entities									(7)	1,461	(1)
Income (loss) before income taxes and equity in income (loss) of subsidiaries									(19,610)	(47,044)	(620,276)
Income tax expense (benefit)									(7,473)	(2,113,827)	426
Income (loss) before equity in income (loss) of subsidiaries									(12,137)	2,066,783	(620,702)
Equity in income (loss) of subsidiaries									486,475	553,333	826,847
Net income									474,338	2,620,116	206,145
Other comprehensive income (loss)									105	197	314
Comprehensive income									474,443	2,620,313	206,459
Guarantor Subsidiaries [Member]
Homebuilding
Home sale revenues									5,662,171	5,424,309	4,552,412
Land sale revenues									34,554	114,335	106,698
Total homebuilding revenues									5,696,725	5,538,644	4,659,110
Financial Services									889	2,353	2,082
Total revenues									5,697,614	5,540,997	4,661,192
Homebuilding Cost of Revenues:
Home sale cost of revenues									4,343,249	4,310,528	3,833,451
Land sale cost of revenues									23,748	104,426	94,880
Total cost of revenues									4,366,997	4,414,954	3,928,331
Financial Services expenses									(130)	970	567
Selling, general, and administrative expenses									661,308	573,904	515,283
Other expense, net									29,273	49,681	33,506
Interest income									(4,244)	(3,954)	(4,597)
Interest expense									0	0	0
Intercompany interest									(90)	(8,260)	(573,852)
Equity in (earnings) loss of unconsolidated entities									(8,182)	(1,783)	(3,555)
Income (loss) before income taxes and equity in income (loss) of subsidiaries									652,682	515,485	765,509
Income tax expense (benefit)									201,332	(799)	(22,299)
Income (loss) before equity in income (loss) of subsidiaries									451,350	516,284	787,808
Equity in income (loss) of subsidiaries									38,534	35,086	34,596
Net income									489,884	551,370	822,404
Other comprehensive income (loss)									0	0	0
Comprehensive income									489,884	551,370	822,404
Non-Guarantor Subsidiaries [Member]
Homebuilding
Home sale revenues									0	0	0
Land sale revenues									0	0	0
Total homebuilding revenues									0	0	0
Financial Services									124,749	138,598	158,806
Total revenues									124,749	138,598	158,806
Homebuilding Cost of Revenues:
Home sale cost of revenues									0	0	0
Land sale cost of revenues									0	0	0
Total cost of revenues									0	0	0
Financial Services expenses									70,585	90,577	134,565
Selling, general, and administrative expenses									6,507	(5,404)	(826)
Other expense, net									951	4,202	765
Interest income									(51)	(92)	(87)
Interest expense									0	0	0
Intercompany interest									(9,710)	(9,258)	(13,429)
Equity in (earnings) loss of unconsolidated entities									(219)	(808)	(503)
Income (loss) before income taxes and equity in income (loss) of subsidiaries									56,686	59,381	38,321
Income tax expense (benefit)									21,561	22,332	(718)
Income (loss) before equity in income (loss) of subsidiaries									35,125	37,049	39,039
Equity in income (loss) of subsidiaries									403,505	485,400	476,806
Net income									438,630	522,449	515,845
Other comprehensive income (loss)									0	0	0
Comprehensive income									438,630	522,449	515,845
Eliminating Entries [Member]
Homebuilding
Home sale revenues									0	0	0
Land sale revenues									0	0	0
Total homebuilding revenues									0	0	0
Financial Services									0	0	0
Total revenues									0	0	0
Homebuilding Cost of Revenues:
Home sale cost of revenues									0	0	0
Land sale cost of revenues									0	0	0
Total cost of revenues									0	0	0
Financial Services expenses									0	0	0
Selling, general, and administrative expenses									0	0	0
Other expense, net									0	0	0
Interest income									0	0	0
Interest expense									0	0	0
Intercompany interest									0	0	0
Equity in (earnings) loss of unconsolidated entities									0	0	0
Income (loss) before income taxes and equity in income (loss) of subsidiaries									0	0	0
Income tax expense (benefit)									0	0	0
Income (loss) before equity in income (loss) of subsidiaries									0	0	0
Equity in income (loss) of subsidiaries									(928,514)	(1,073,819)	(1,338,249)
Net income									(928,514)	(1,073,819)	(1,338,249)
Other comprehensive income (loss)									0	0	0
Comprehensive income									$ (928,514)	$ (1,073,819)	$ (1,338,249)