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Supplemental Guarantor Information (Statement Of Operations and Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Homebuilding |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale revenues |  |  |  |  |  |  |  |  | $ 4,552,412 |  | $ 3,950,743 |  | $ 4,419,812
Land sale revenues |  |  |  |  |  |  |  |  | 106,698 |  | 82,853 |  | 27,815
Total homebuilding revenues | 1,518,445 | 1,255,327 | 1,033,154 | 852,184 | 1,230,971 | 1,114,027 | 904,831 | 783,767 | 4,659,110 | [1] | 4,033,596 | [1] | 4,447,627
Financial Services | 48,521 | 47,264 | 36,251 | 28,852 | 31,374 | 27,904 | 22,381 | 21,435 | 160,888 | [1] | 103,094 | [1] | 121,663
Total revenues | 1,566,966 | 1,302,591 | 1,069,405 | 881,036 | 1,262,345 | 1,141,931 | 927,212 | 805,202 | 4,819,998 | [1] | 4,136,690 | [1] | 4,569,290
Homebuilding Cost of Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale cost of revenues |  |  |  |  |  |  |  |  | 3,833,451 |  | 3,444,398 |  | 4,006,385
Land sale cost of revenues |  |  |  |  |  |  |  |  | 94,880 |  | 59,279 |  | 53,555
Total cost of revenues | 1,261,012 | 1,044,765 | 876,990 | 745,563 | 1,079,370 | 944,882 | 793,465 | 685,960 | 3,928,331 | [1] | 3,503,677 | [1] | 4,059,940
Financial Services expenses |  |  |  |  |  |  |  |  | 135,511 |  | 137,666 |  | 116,122
Selling, general, and administrative expenses |  |  |  |  |  |  |  |  | 514,457 |  | 519,583 |  | 895,102
Other expense (income), net |  |  |  |  |  |  |  |  | 66,298 |  | 293,102 |  | 742,385
Interest income |  |  |  |  |  |  |  |  | (4,913) |  | (5,055) |  | (9,531)
Interest expense |  |  |  |  |  |  |  |  | 819 |  | 1,313 |  | 2,729
Intercompany interest |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Equity in (earnings) loss of unconsolidated entities |  |  |  |  |  |  |  |  | (4,059) |  | (3,296) |  | (2,911)
Income (loss) before income taxes and equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 183,554 |  | (310,300) |  | (1,234,546)
Income tax expense (benefit) | (7,529) | (10,727) | (2,510) | (1,825) | (22,896) | (73,202) | 2,052 | (5,866) | (22,591) | [1] | (99,912) | [1] | (137,817)
Income (loss) before equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 206,145 |  | (210,388) |  | (1,096,729)
Equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Net income (loss) | 58,742 | 116,633 | 42,436 | (11,666) | 13,821 | (129,298) | (55,385) | (39,526) | 206,145 | [1] | (210,388) | [1] | (1,096,729)
Other Comprehensive Income |  |  |  |  |  |  |  |  | 314 |  | 213 |  | 730
Comprehensive Income (Loss) |  |  |  |  |  |  |  |  | 206,459 |  | (210,175) |  | (1,095,999)
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Homebuilding |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Land sale revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total homebuilding revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Financial Services |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Homebuilding Cost of Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Land sale cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Financial Services expenses |  |  |  |  |  |  |  |  | 379 |  | 343 |  | 338
Selling, general, and administrative expenses |  |  |  |  |  |  |  |  | 0 |  | 33,144 |  | 64,197
Other expense (income), net |  |  |  |  |  |  |  |  | 32,027 |  | 5,581 |  | 38,899
Interest income |  |  |  |  |  |  |  |  | (229) |  | (253) |  | 0
Interest expense |  |  |  |  |  |  |  |  | 819 |  | 1,313 |  | 2,802
Intercompany interest |  |  |  |  |  |  |  |  | 587,281 |  | 39,060 |  | 169,158
Equity in (earnings) loss of unconsolidated entities |  |  |  |  |  |  |  |  | (1) |  | (5) |  | (11)
Income (loss) before income taxes and equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | (620,276) |  | (79,183) |  | (275,383)
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 426 |  | (2,623) |  | 58,318
Income (loss) before equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | (620,702) |  | (76,560) |  | (333,701)
Equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 826,847 |  | (133,828) |  | (763,028)
Net income (loss) |  |  |  |  |  |  |  |  | 206,145 |  | (210,388) |  | (1,096,729)
Other Comprehensive Income |  |  |  |  |  |  |  |  | 314 |  | 213 |  | 730
Comprehensive Income (Loss) |  |  |  |  |  |  |  |  | 206,459 |  | (210,175) |  | (1,095,999)
Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Homebuilding |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale revenues |  |  |  |  |  |  |  |  | 4,552,412 |  | 3,950,743 |  | 4,419,812
Land sale revenues |  |  |  |  |  |  |  |  | 106,698 |  | 82,853 |  | 27,815
Total homebuilding revenues |  |  |  |  |  |  |  |  | 4,659,110 |  | 4,033,596 |  | 4,447,627
Financial Services |  |  |  |  |  |  |  |  | 2,082 |  | 1,367 |  | 3,119
Total revenues |  |  |  |  |  |  |  |  | 4,661,192 |  | 4,034,963 |  | 4,450,746
Homebuilding Cost of Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale cost of revenues |  |  |  |  |  |  |  |  | 3,833,451 |  | 3,444,398 |  | 4,006,385
Land sale cost of revenues |  |  |  |  |  |  |  |  | 94,880 |  | 59,279 |  | 53,555
Total cost of revenues |  |  |  |  |  |  |  |  | 3,928,331 |  | 3,503,677 |  | 4,059,940
Financial Services expenses |  |  |  |  |  |  |  |  | 567 |  | 448 |  | (1,462)
Selling, general, and administrative expenses |  |  |  |  |  |  |  |  | 515,283 |  | 488,746 |  | 629,099
Other expense (income), net |  |  |  |  |  |  |  |  | 33,506 |  | 288,298 |  | 707,647
Interest income |  |  |  |  |  |  |  |  | (4,597) |  | (4,443) |  | (9,060)
Interest expense |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Intercompany interest |  |  |  |  |  |  |  |  | (573,852) |  | (27,572) |  | (169,010)
Equity in (earnings) loss of unconsolidated entities |  |  |  |  |  |  |  |  | (3,555) |  | (3,196) |  | (3,867)
Income (loss) before income taxes and equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 765,509 |  | (210,995) |  | (762,541)
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (22,299) |  | (99,635) |  | (136,741)
Income (loss) before equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 787,808 |  | (111,360) |  | (625,800)
Equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 34,596 |  | (25,427) |  | (5,009)
Net income (loss) |  |  |  |  |  |  |  |  | 822,404 |  | (136,787) |  | (630,809)
Other Comprehensive Income |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Comprehensive Income (Loss) |  |  |  |  |  |  |  |  | 822,404 |  | (136,787) |  | (630,809)
Non-Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Homebuilding |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Land sale revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total homebuilding revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Financial Services |  |  |  |  |  |  |  |  | 158,806 |  | 101,727 |  | 118,544
Total revenues |  |  |  |  |  |  |  |  | 158,806 |  | 101,727 |  | 118,544
Homebuilding Cost of Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Land sale cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Financial Services expenses |  |  |  |  |  |  |  |  | 134,565 |  | 136,875 |  | 117,246
Selling, general, and administrative expenses |  |  |  |  |  |  |  |  | (826) |  | (2,307) |  | 201,806
Other expense (income), net |  |  |  |  |  |  |  |  | 765 |  | (777) |  | (4,161)
Interest income |  |  |  |  |  |  |  |  | (87) |  | (359) |  | (471)
Interest expense |  |  |  |  |  |  |  |  | 0 |  | 0 |  | (73)
Intercompany interest |  |  |  |  |  |  |  |  | (13,429) |  | (11,488) |  | (148)
Equity in (earnings) loss of unconsolidated entities |  |  |  |  |  |  |  |  | (503) |  | (95) |  | 967
Income (loss) before income taxes and equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 38,321 |  | (20,122) |  | (196,622)
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (718) |  | 2,346 |  | (59,394)
Income (loss) before equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 39,039 |  | (22,468) |  | (137,228)
Equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 476,806 |  | (88,998) |  | (172,241)
Net income (loss) |  |  |  |  |  |  |  |  | 515,845 |  | (111,466) |  | (309,469)
Other Comprehensive Income |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Comprehensive Income (Loss) |  |  |  |  |  |  |  |  | 515,845 |  | (111,466) |  | (309,469)
Eliminating Entries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Homebuilding |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Land sale revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total homebuilding revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Financial Services |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Homebuilding Cost of Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Home sale cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Land sale cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Total cost of revenues |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Financial Services expenses |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Selling, general, and administrative expenses |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Other expense (income), net |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Interest income |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Interest expense |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Intercompany interest |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Equity in (earnings) loss of unconsolidated entities |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Income (loss) before income taxes and equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Income (loss) before equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Equity in income (loss) of subsidiaries |  |  |  |  |  |  |  |  | (1,338,249) |  | 248,253 |  | 940,278
Net income (loss) |  |  |  |  |  |  |  |  | (1,338,249) |  | 248,253 |  | 940,278
Other Comprehensive Income |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0
Comprehensive Income (Loss) |  |  |  |  |  |  |  |  | $ (1,338,249) |  | $ 248,253 |  | $ 940,278
[1] | Due to rounding, the sum of quarterly results may not equal the total for the year. Additionally, quarterly and year-to-date computations of per share amounts are made independently.

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- Definition The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=16317811 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e557-108580 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A + Details
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- Definition The aggregate costs related to design, development, general contracting, remodeling, and renovation services for residential buildings, including single-family houses, multifamily housing, townhomes, apartments, and modular housing. + 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 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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