Segment Information (Total Assets And Inventory By Reportable Segment) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Segment Reporting Information
Homes under construction	$ 2,716,264	$ 2,421,405
Land under development	4,194,869	4,135,814
Raw land	553,895	589,911
Total Inventory	7,465,028	7,147,130
Total Assets	9,706,395	9,686,649
Northeast
Segment Reporting Information
Homes under construction	267,520	234,413
Land under development	323,571	327,599
Raw land	73,577	73,574
Total Inventory	664,668	635,586
Total Assets	813,724	791,511
Southeast
Segment Reporting Information
Homes under construction	484,647	433,411
Land under development	621,417	613,626
Raw land	112,444	121,238
Total Inventory	1,218,508	1,168,275
Total Assets	1,345,180	1,287,992
Florida
Segment Reporting Information
Homes under construction	435,660	359,651
Land under development	881,107	876,856
Raw land	86,155	109,069
Total Inventory	1,402,922	1,345,576
Total Assets	1,527,872	1,481,837
Midwest
Segment Reporting Information
Homes under construction	321,719	299,896
Land under development	444,360	476,694
Raw land	38,353	28,482
Total Inventory	804,432	805,072
Total Assets	882,493	877,282
Texas
Segment Reporting Information
Homes under construction	300,113	251,613
Land under development	422,804	435,018
Raw land	89,779	87,392
Total Inventory	812,696	774,023
Total Assets	903,537	859,847
West
Segment Reporting Information
Homes under construction	857,312	798,706
Land under development	1,247,263	1,137,940
Raw land	131,711	147,493
Total Inventory	2,236,286	2,084,139
Total Assets	2,420,444	2,271,328
Other homebuilding
Segment Reporting Information
Homes under construction	49,293	43,715
Land under development	254,347	268,081
Raw land	21,876	22,663
Total Inventory	325,516	334,459
Total Assets	1,332,972	1,469,234
Homebuilding
Segment Reporting Information
Homes under construction	2,716,264	2,421,405
Land under development	4,194,869	4,135,814
Raw land	553,895	589,911
Total Inventory	7,465,028	7,147,130
Total Assets	9,226,222	9,039,031
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	$ 480,173	$ 647,618

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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