Segment Information (Operating Data By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Revenues:
Homebuilding	$ 1,924,155	$ 1,588,111
Financial Services	45,938	41,767
Consolidated revenues	1,970,093	1,629,878
Income before Income Taxes:
Income before income taxes	224,191	$ 139,265
Write-off of insurance receivables		15000000
Northeast
Revenues:
Homebuilding	132,436	$ 108,601
Income before Income Taxes:
Income before income taxes	9,312	4,400
Southeast
Revenues:
Homebuilding	374,623	329,113
Income before Income Taxes:
Income before income taxes	40,457	32,366
Florida
Revenues:
Homebuilding	348,709	314,296
Income before Income Taxes:
Income before income taxes	44,945	44,523
Midwest
Revenues:
Homebuilding	297,506	244,506
Income before Income Taxes:
Income before income taxes	28,401	18,254
Texas
Revenues:
Homebuilding	246,638	234,541
Income before Income Taxes:
Income before income taxes	30,536	32,796
West
Revenues:
Homebuilding	524,243	357,054
Income before Income Taxes:
Income before income taxes	89,205	34,084
Other homebuilding
Income before Income Taxes:
Income before income taxes	(32,498)	(40,661)
Homebuilding
Income before Income Taxes:
Income before income taxes	210,358	125,762
Financial Services
Income before Income Taxes:
Income before income taxes	$ 13,833	$ 13,503

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- Definition

The aggregate financial services revenue and operating interest income earned during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The aggregate revenue from real estate operations during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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