Summary of Significant Accounting Policies (Details 5) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment
Property, plant and equipment	$ 20,409,000	$ 19,920,000
Model home furnishings	19,400,000	18,900,000
Advertising Costs
Advertising costs	4,600,000	5,200,000	4,400,000
Comprehensive Income
Comprehensive income (loss)	$ 40,310,000	$ (52,453,000)	$ (86,383,000)

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 economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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