Fixed Assets, Mineral Leaseholds, and Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2024

Fixed Assets And Asset Retirement Obligations [Abstract]

Schedule of Fixed Assets

Fixed assets consisted of the following: 

	March 31, 2024		December 31, 2023
Crude oil and natural gas pipelines and related assets	$	2,950,573	$	2,945,215
Alkali facilities, machinery and equipment	1,150,287		1,147,291
Onshore facilities, machinery and equipment	288,704		271,271
Transportation equipment	26,673		24,913
Marine vessels	1,023,993		1,021,080
Land, buildings and improvements	294,852		293,733
Office equipment, furniture and fixtures	25,227		25,029
Construction in progress(1)	792,032		731,197
Other	29,311		41,168
Fixed assets, at cost	6,581,652		6,500,897
Less: Accumulated depreciation	(2,034,076)		(1,972,596)
Net fixed assets	$	4,547,576	$	4,528,301

Schedule of Mineral Leaseholds

Our Mineral Leaseholds, relating to our Alkali Business, consist of the following:

	March 31, 2024		December 31, 2023
Mineral leaseholds	$	566,019	$	566,019
Less: Accumulated depletion	(26,645)		(25,499)
Mineral leaseholds, net of accumulated depletion	$	539,374	$	540,520

Schedule of Depreciation and Depletion Expense

Our depreciation and depletion expense for the periods presented were as follows:

	Three Months Ended March 31,
	2024		2023
Depreciation expense	$	69,685	$	69,573
Depletion expense	1,146		881

Schedule of Change in Asset Retirement Obligation

The following table presents information regarding our AROs since December 31, 2023:

ARO liability balance, December 31, 2023	$	243,708
Accretion expense	2,777
Settlements	(60)
ARO liability balance, March 31, 2024	$	246,425