Segment Information (Operating Data By Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues:
Homebuilding	$ 1,624,959	$ 1,547,742	$ 1,240,060	$ 1,125,883	$ 1,518,445	$ 1,255,327	$ 1,033,154	$ 852,184	$ 5,538,644	$ 4,659,110	$ 4,033,596
Financial Services	30,380	34,336	39,362	36,873	48,521	47,264	36,251	28,852	140,951	160,888	103,094
Consolidated revenues	1,655,339	1,582,078	1,279,422	1,162,756	1,566,966	1,302,591	1,069,405	881,036	5,679,595	4,819,998	4,136,690
Income (loss) before income taxes:
Homebuilding	225,511	163,594	21,971	68,037	75,225	79,179	23,939	(20,352)	479,113	157,991	(275,830)
Consolidated income (loss) before income taxes	232,420	174,722	38,330	82,350	51,213	105,906	39,926	(13,491)	527,822	183,554	(310,300)
Northeast [Member]
Revenues:
Homebuilding									819,709	755,148	717,839
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									110,246	73,345	29,320
Southeast [Member]
Revenues:
Homebuilding									842,921	691,113	675,904
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									121,055	64,678	45,060
Florida [Member]
Revenues:
Homebuilding									802,665	628,997	571,102
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									139,673	73,472	44,946
Texas [Member]
Revenues:
Homebuilding									835,473	682,929	631,419
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									111,431	60,979	33,329
North [Member]
Revenues:
Homebuilding									1,232,814	1,022,633	740,372
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									164,348	84,597	(12,376)
Southwest [Member]
Revenues:
Homebuilding									1,005,062	878,290	696,960
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									179,163	79,887	36,647
Other Homebuilding [Member]
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									(346,803)	(278,967)	(452,756)
Financial Services [Member]
Revenues:
Financial Services									140,951	160,888	103,094
Income (loss) before income taxes:
Consolidated income (loss) before income taxes									$ 48,709	$ 25,563	$ (34,470)