Commitments and Contingencies - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)	Oct. 26, 2021 a
Schedule Of Commitments And Contingencies [Line Items]
Change in warranty reserve for disclosure purposes only \| $	$ 0.8
Area of Land \| a		300
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