Property, Plant and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Non-cash impairment charge			$ 62,161	$ 613,640	$ 66,916
Property, plant and equipment, net	$ 6,899,110		$ 8,114,818	6,899,110
Steel Mills [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge				103,200	20,000
Land and Improvements, Net [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			5 years
Land and Improvements, Net [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			25 years
Buildings and Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			4 years
Buildings and Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			40 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			2 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			15 years
Carrying Value of Third Field of Wells [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge		$ 35,000			$ 35,000
Carrying Value of Three Field of Wells [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	71,700		$ 65,200	71,700
Leasehold Interest in Unproved Oil and Gas Properties [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge	$ 27,000			$ 27,000
Property, plant and equipment, net			96,000
Leasehold Interest in Unproved Oil and Gas Properties [Member] | Losses on Assets [Member]
Property, Plant and Equipment [Line Items]
Losses on assets			$ 42,000