Segment Information - Results Footnote (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating income (loss)
Corporate SG & A	$ (643,976)	$ (477,450)	$ (436,498)
Company-wide equity-based compensation	(80,200)	(50,700)	(43,300)
Profit sharing	(388,111)	(61,728)	(78,029)
Asset impairment charges		(19,409)
Operating income (loss)	4,301,105	847,142	986,880
Gross profit decrease from intra-company sales	5,362,424	1,434,728	1,530,984
Assets
Cash and equivalents	1,243,868	1,368,618
Inventories	3,531,130	1,843,548
Property, plant and equipment, net	4,751,430	4,105,569
Other assets	129,601	119,743
Total assets	12,531,234	9,265,562
Operating Segment | Other
Operating income (loss)
Corporate SG & A	(78,000)	(57,900)	(66,100)
Company-wide equity-based compensation	(78,800)	(48,500)	(40,600)
Profit sharing	(379,300)	(58,300)	(73,600)
Asset impairment charges		(19,400)
Other, net	(15,600)	(4,400)	(5,900)
Operating income (loss)	(551,725)	(188,525)	(186,159)
Assets
Cash and equivalents	1,088,800	1,276,100
Accounts receivable	27,500	17,000
Inventories	94,200	84,700
Property, plant and equipment, net	128,900	136,000
Intra-company debt	19,600	9,100
Other assets	164,800	48,300
Total assets	1,523,830	1,571,188
Operating Segment | Metals Recycling Operations
Operating income (loss)
Operating income (loss)	181,986	32,991	16,308
Assets
Total assets	1,266,920	1,116,051
Eliminations
Operating income (loss)
Operating income (loss)	(54,894)	(7,379)	7,078
Gross profit decrease from intra-company sales	(56,300)	(8,500)	$ 6,200
Assets
Inventories	(72,600)	(16,400)
Accounts receivable	(48,900)	(61,200)
Intra-company debt	(19,600)	(9,100)
Total assets	$ (141,128)	$ (86,697)