Segment Information (Total Assets And Inventory By Reportable Segment) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Segment Reporting Information
Homes under construction	$ 2,737,849	$ 1,921,259
Land under development	4,066,748	4,072,109
Raw land	565,555	777,287
Total Inventory	7,370,152	6,770,655
Total Assets	9,971,269	10,178,200
Northeast
Segment Reporting Information
Homes under construction	291,366	175,253
Land under development	308,675	375,899
Raw land	79,375	135,447
Total Inventory	679,416	686,599
Total Assets	844,507	798,369
Southeast
Segment Reporting Information
Homes under construction	452,249	354,047
Land under development	629,864	650,805
Raw land	132,558	148,793
Total Inventory	1,214,671	1,153,645
Total Assets	1,345,121	1,243,188
Florida
Segment Reporting Information
Homes under construction	402,228	309,525
Land under development	864,682	683,376
Raw land	81,058	183,168
Total Inventory	1,347,968	1,176,069
Total Assets	1,494,185	1,330,847
Midwest
Segment Reporting Information
Homes under construction	361,074	256,649
Land under development	476,700	474,287
Raw land	29,261	50,302
Total Inventory	867,035	781,238
Total Assets	929,743	851,457
Texas
Segment Reporting Information
Homes under construction	310,360	219,606
Land under development	407,531	413,312
Raw land	90,497	74,750
Total Inventory	808,388	707,668
Total Assets	891,686	793,917
West
Segment Reporting Information
Homes under construction	872,477	580,082
Land under development	1,115,706	1,226,190
Raw land	131,703	159,387
Total Inventory	2,119,886	1,965,659
Total Assets	2,326,631	2,200,058
Other homebuilding
Segment Reporting Information
Homes under construction	48,095	26,097
Land under development	263,590	248,240
Raw land	21,103	25,440
Total Inventory	332,788	299,777
Total Assets	1,703,680	2,351,082
Homebuilding
Segment Reporting Information
Homes under construction	2,737,849	1,921,259
Land under development	4,066,748	4,072,109
Raw land	565,555	777,287
Total Inventory	7,370,152	6,770,655
Total Assets	9,535,553	9,568,918
Financial Services
Segment Reporting Information
Homes under construction	0	0
Land under development	0	0
Raw land	0	0
Total Inventory	0	0
Total Assets	$ 435,716	$ 609,282

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
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Carrying amount as of the balance sheet date of capitalized construction costs of homes for future sale.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
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The net carrying amount as of the balance sheet date of the sum of the various components of an operative builder's inventory, including finished homes. Operative builders primarily consist of entities that develop land, construct residential homes and commercial and industrial buildings thereon, and sell them to home buyers and operators of the commercial and industrial properties.

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Carrying amount of land available for development.

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