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Commitments and Contingencies - Additional Information (Detail)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2023
USD ($)
Oct. 26, 2021
USD ($)
a
Schedule Of Commitments And Contingencies [Line Items]      
Change in warranty reserve for disclosure purposes only $ 1.1 $ 1.1  
Area of Land | a     300
Warranty reserve increase (decrease) $ (3.8)    
Residential Portfolio Segment [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Land and Land Improvements     $ 400.0
Surface Flaking Warranty Reserve [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Percentage change in warranty claims used as a threshold for disclosure   10.00%  
Residential Use [Member] | Products Sold Prior to January One, Two Thousand and Twenty Three [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   25 years  
Commercial Use [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   10 years  
Commercial Use [Member] | Products Sold Prior to January One, Two Thousand and Twenty Three [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   10 years  
Signature Railing And Transcend Cladding [Member] | Commercial Use [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   25 years  
Transcend Decking [Member] | Residential Use [Member] | Products Sold on or After January One, Two Thousand and Twenty Three [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   50 years  
Select Decking And Universal Fascia [Member] | Residential Use [Member] | Products Sold on or After January One, Two Thousand and Twenty Three [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   35 years  
Enhance Decking And Transcend, Select, Enhance And Signature Railing [Member] | Residential Use [Member] | Products Sold on or After January One, Two Thousand and Twenty Three [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   25 years  
Signature Railing [Member] | Residential and Commercial Use [Member] | Products Sold Prior to January One, Two Thousand and Twenty Three [Member]      
Schedule Of Commitments And Contingencies [Line Items]      
Warranty period   25 years