Segment Information (Operating Data By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Homebuilding	$ 1,973,571	$ 1,756,832	$ 3,560,633	$ 3,153,562
Financial Services	47,275	43,082	89,042	78,930
Consolidated revenues	2,020,846	1,799,914	3,649,675	3,232,492
Income before Income Taxes:
Income before income taxes	122,547	189,580	261,813	307,793
Gain (loss) related to litigation settlement	19,800		$ 19,800
Write-off of insurance receivables			15000
Northeast
Revenues:
Homebuilding	148,272	152,517	$ 256,854	271,171
Income before Income Taxes:
Income before income taxes	(38,249)	19,238	(33,849)	28,828
Southeast
Revenues:
Homebuilding	380,957	387,675	709,721	682,101
Income before Income Taxes:
Income before income taxes	40,274	40,758	72,640	60,528
Florida
Revenues:
Homebuilding	363,326	283,440	677,523	553,281
Income before Income Taxes:
Income before income taxes	36,110	44,353	80,633	84,655
Product warranty expense	12,100
Midwest
Revenues:
Homebuilding	357,847	286,649	602,259	476,541
Income before Income Taxes:
Income before income taxes	37,573	26,253	55,827	31,873
Texas
Revenues:
Homebuilding	288,518	255,471	522,785	468,763
Income before Income Taxes:
Income before income taxes	46,522	36,223	79,318	64,740
West
Revenues:
Homebuilding	434,651	391,080	791,491	701,705
Income before Income Taxes:
Income before income taxes	(1,850)	41,829	32,234	75,336
Other homebuilding
Income before Income Taxes:
Income before income taxes	(16,781)	(36,108)	(57,441)	(64,981)
Homebuilding
Income before Income Taxes:
Income before income taxes	103,599	172,546	229,362	280,979
Financial Services
Income before Income Taxes:
Income before income taxes	$ 18,948	$ 17,034	$ 32,451	$ 26,814