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Segment Information (Total Assets And Inventory By Reportable Segment) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Segment Reporting Information |  |  |
Homes under construction | $ 2,421,405 | $ 1,921,259 | $ 1,408,260
Land under development | 4,135,814 | 4,072,109 | 3,259,066
Raw land | 589,911 | 777,287 | 782,732
House and land inventory | 7,147,130 | 6,770,655 | 5,450,058
Total assets | 9,686,649 | 10,178,200 | 9,189,406
Northeast [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 234,413 | 175,253 | 163,173
Land under development | 327,599 | 375,899 | 292,631
Raw land | 73,574 | 135,447 | 121,522
House and land inventory | 635,586 | 686,599 | 577,326
Total assets | 791,511 | 798,369 | 688,610
Southeast [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 433,411 | 354,047 | 196,456
Land under development | 613,626 | 650,805 | 367,577
Raw land | 121,238 | 148,793 | 139,246
House and land inventory | 1,168,275 | 1,153,645 | 703,279
Total assets | 1,287,992 | 1,243,188 | 765,933
Florida [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 359,651 | 309,525 | 227,910
Land under development | 876,856 | 683,376 | 574,092
Raw land | 109,069 | 183,168 | 97,185
House and land inventory | 1,345,576 | 1,176,069 | 899,187
Total assets | 1,481,837 | 1,330,847 | 1,013,543
Texas [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 251,613 | 219,606 | 191,424
Land under development | 435,018 | 413,312 | 317,702
Raw land | 87,392 | 74,750 | 107,737
House and land inventory | 774,023 | 707,668 | 616,863
Total assets | 859,847 | 793,917 | 691,342
Midwest [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 299,896 | 256,649 | 197,738
Land under development | 476,694 | 474,287 | 414,386
Raw land | 28,482 | 50,302 | 68,918
House and land inventory | 805,072 | 781,238 | 681,042
Total assets | 877,282 | 851,457 | 734,834
West [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 798,706 | 580,082 | 413,208
Land under development | 1,137,940 | 1,226,190 | 1,094,112
Raw land | 147,493 | 159,387 | 222,920
House and land inventory | 2,084,139 | 1,965,659 | 1,730,240
Total assets | 2,271,328 | 2,200,058 | 1,924,958
Other Homebuilding [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 43,715 | 26,097 | 18,351
Land under development | 268,081 | 248,240 | 198,566
Raw land | 22,663 | 25,440 | 25,204
House and land inventory | 334,459 | 299,777 | 242,121
Total assets | 1,469,234 | 2,351,082 | 2,861,197
Homebuilding [Member] |  |  |
Segment Reporting Information |  |  |
Homes under construction | 2,421,405 | 1,921,259 | 1,408,260
Land under development | 4,135,814 | 4,072,109 | 3,259,066
Raw land | 589,911 | 777,287 | 782,732
House and land inventory | 7,147,130 | 6,770,655 | 5,450,058
Total assets | 9,039,031 | 9,568,918 | 8,680,417
Financial Services [Member] |  |  |
Segment Reporting Information |  |  |
Total assets | $ 647,618 | $ 609,282 | $ 508,989

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- Definition 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. + References 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)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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