Inventory And Land Held For Sale (Policy)	6 Months Ended
Inventory And Land Held For Sale (Policy)	Jun. 30, 2013
Inventory Disclosure [Abstract]
Inventory, Interest Capitalization Policy	We capitalize interest cost into inventory during the active development and construction of our communities. Each layer of capitalized interest is amortized over a period that approximates the average life of communities under development. Interest expense is recorded based on the cyclical timing of home closings.
Inventory Impairment Policy	Impairment of inventory We record valuation adjustments on land inventory and related communities under development when events and circumstances indicate that they may be impaired and when the cash flows estimated to be generated by those assets are less than their carrying amounts. Such indicators include gross margin or sales paces significantly below expectations, construction costs or land development costs significantly in excess of budgeted amounts, significant delays or changes in the planned development for the community, and other known qualitative factors. For communities that are not yet active, an additional consideration includes an evaluation of the probability, timing, and cost of obtaining necessary approvals from municipalities and any potential concessions that may be necessary in order to obtain such approvals. We also consider potential changes to the product offerings in a community and any alternative strategies for the land, such as the sale of the land either in whole or in parcels. Communities that demonstrate potential impairment indicators are tested for impairment. We compare the expected undiscounted cash flows for these communities to their carrying values. For those communities whose carrying values exceed the expected undiscounted cash flows, we estimate the fair value of the community. Impairment charges are recorded if the fair value of the community's inventory is less than its carrying value. We determine the fair value of a community's inventory using a combination of market comparable land transactions, where available, and discounted cash flow models. These estimated cash flows are significantly impacted by estimates related to expected average selling prices, expected sales paces, expected land development and construction timelines, and anticipated land development, construction, and overhead costs. The assumptions used in the discounted cash flow models are specific to each community tested for impairment. Due to uncertainties in the estimation process, the significant volatility in demand for new housing, and the long life cycles of many communities, actual results could differ significantly from such estimates. Our determination of fair value also requires discounting the estimated cash flows at a rate commensurate with the inherent risks associated with each of the assets and related estimated cash flow streams. The discount rate used in determining each community's fair value depends on the stage of development of the community and other specific factors that increase or decrease the inherent risks associated with the community's cash flow streams. For example, communities that are entitled and near completion will generally be assigned a lower discount rate than communities that are not entitled and consist of multiple phases spanning several years of development and construction.
Impairment of Land Held for Sale Policy	Land held for sale is valued at the lower of carrying value or fair value less costs to sell. In determining the value of land held for sale, we consider recent offers received, prices for land in recent comparable sales transactions, and other factors. During the three months ended June 30, 2013 and 2012, we recognized net realizable value adjustments related to land held for sale of $2.1 million and $0.4 million, respectively. Such adjustments totaled $2.2 million and $1.0 million during the six months ended June 30, 2013 and 2012, respectively. We record these net realizable value adjustments within Homebuilding land sale cost of revenues.
Write-Off of Deposits and Pre-Acquisition Costs	We wrote off (net of recoveries) deposits and pre-acquisition costs in the amount of $0.3 million and $0.2 million during the three months ended June 30, 2013 and 2012, respectively, and $0.6 million and $0.9 million during the six months ended June 30, 2013 and 2012, respectively. We record these write-offs of deposits and pre-acquisition costs within other expense (income), net.