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v3.25.2

Fixed Assets, Mineral Leaseholds, and Asset Retirement Obligations (Fixed Assets, Net) (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | $ 5,342,394,000 | $ 5,280,860,000
Less: Accumulated depreciation | (1,816,766,000) | (1,740,974,000)
Net fixed assets | 3,525,628,000 | 3,539,886,000
Settlements | (1,321,000) |
Asset retirement obligation balance | 258,679,000 | 254,054,000
Accretion expense | 5,946,000 |
Crude oil and natural gas pipelines and related assets |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | 3,507,121,000 | 3,367,908,000
Onshore facilities, machinery and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | 290,655,000 | 293,436,000
Transportation equipment |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | 24,273,000 | 22,976,000
Marine vessels |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | 1,067,572,000 | 1,062,720,000
Land, buildings and improvements |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | 88,545,000 | 88,545,000
Office equipment, furniture and fixtures |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | 10,337,000 | 10,101,000
Construction in progress(1) |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | 327,226,000 | 408,509,000
Other |  |
Property, Plant and Equipment [Line Items] |  |
Fixed assets, at cost | $ 26,665,000 | $ 26,665,000

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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481999/410-20-25-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
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