Segment Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net sales and long-lived assets by geographical area
Net sales	$ 396,738	$ 364,304	$ 1,154,661	$ 974,048
Wood construction products
Net sales and long-lived assets by geographical area
Net sales	338,896	311,167	996,261	834,411
Concrete construction products
Net sales and long-lived assets by geographical area
Net sales	57,589	52,983	157,417	139,299
Other
Net sales and long-lived assets by geographical area
Net sales	253	154	983	338
North America
Net sales and long-lived assets by geographical area
Net sales	$ 338,591	$ 316,902	$ 989,711	$ 852,759