Annual report pursuant to Section 13 and 15(d)

Business and Summary of Significant Accounting Policies (Details)

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Business and Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]    
Gross property and equipment $ 44,265 $ 47,304
Accumulated depreciation (28,547) (33,813)
Property and equipment, net 15,718 13,491
Computer and office equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Gross property and equipment 21,948 28,044
Model home furnishings [Member]
   
Property, Plant and Equipment [Line Items]    
Gross property and equipment $ 22,317 $ 19,260