Fixed Assets, Mineral Leaseholds, and Asset Retirement Obligations (Fixed Assets, Net) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 6,775,786,000	$ 6,500,897,000
Less: Accumulated depreciation	(2,143,320,000)	(1,972,596,000)
Net fixed assets	4,632,466,000	4,528,301,000
Settlements	(357,000)
Asset retirement obligation balance	251,682,000	243,708,000
Accretion expense	8,331,000
Crude oil and natural gas pipelines and related assets
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	2,954,454,000	2,945,215,000
Onshore facilities, machinery and equipment
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	292,186,000	271,271,000
Onshore facilities, machinery and equipment | Alkali Business
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	1,171,084,000	1,147,291,000
Transportation equipment
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	32,399,000	24,913,000
Marine vessels
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	1,033,398,000	1,021,080,000
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	299,939,000	293,733,000
Office equipment, furniture and fixtures
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	26,330,000	25,029,000
Construction in progress(1)
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	939,331,000	731,197,000
Other
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 26,665,000	$ 41,168,000