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Product Line, Geographic, Significant Customer and Concentration of Credit Risk Data - Schedule of Product Information (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Percentage of total sales 100.00% 100.00%
Residential homes    
Segment Reporting Information [Line Items]    
Percentage of total sales 57.00% 68.00%
Commercial structures    
Segment Reporting Information [Line Items]    
Percentage of total sales 43.00% 32.00%