Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Sales		$ 2,154,647	$ 1,879,451	$ 6,759,001	$ 6,143,928
Income from operations		299,370	129,386	1,002,073	744,422
Operating Segments [Member]
Segment Reporting Information [Line Items]
Income from operations		310,408	138,621	1,034,825	775,991
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Sales	[1]	(397,475)	(339,109)	(1,131,128)	(909,057)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Income from operations		(11,038)	(9,235)	(32,752)	(31,569)
Wood Products [Member]
Segment Reporting Information [Line Items]
Sales		197,800	158,300	559,200	615,300
Wood Products [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales		595,320	497,316	1,690,294	1,524,220
Income from operations		155,972	122,056	500,189	432,869
Building Materials Distribution [Member]
Segment Reporting Information [Line Items]
Sales		1,956,800	1,721,100	6,199,800	5,528,600
Building Materials Distribution [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales		1,956,802	1,721,244	6,199,835	5,528,765
Income from operations		$ 154,436	$ 16,565	$ 534,636	$ 343,122

[1] Primarily represents intersegment sales from our Wood Products segment to our BMD segment.