The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Retained earnings	$ 906,841	$ 720,441
ASC 606 \| Wood construction products
Disaggregation of Revenue [Line Items]
Percentage of net sales	87.00%	85.00%	84.00%
ASC 606 \| Concrete construction products
Disaggregation of Revenue [Line Items]
Percentage of net sales	13.00%	15.00%	16.00%
ASC 606 \| Other
Disaggregation of Revenue [Line Items]
Percentage of net sales	0.10%