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Legal Matters (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 1 Months Ended |  | 12 Months Ended
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Nov. 30, 2011 | Nov. 30, 2011 Nevada Development Contract Litigation [Member] ac | Dec. 27, 2011 KB Home Coastal Inc. et al adv. Estancia Coastal [Member] | Nov. 30, 2011 KB Home Coastal Inc. et al adv. Estancia Coastal [Member] | Nov. 30, 2011 Maximum [Member] Nevada Development Contract Litigation [Member] | Nov. 30, 2011 Maximum [Member] KB Home Coastal Inc. et al adv. Estancia Coastal [Member] | Nov. 30, 2011 Minimum [Member] Nevada Development Contract Litigation [Member] | Nov. 30, 2011 Minimum [Member] KB Home Coastal Inc. et al adv. Estancia Coastal [Member]
Legal Matters (Textual) [Abstract] |  |  |  |  |  |  |  |
Acres of purchased land by LVDA |  | 83 |  |  |  |  |  |
Expected compensatory damages |  |  | $ 9.8 |  | $ 0 | $ 12.0 | $ 0 | $ 4.0
Accrual for compensatory damage |  |  |  | 4.0 |  |  |  |
Minimum compensatory damages sought by plaintiffs | $ 55 |  |  |  |  |  |  |

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