Fixed Assets, Mineral Leaseholds, and Asset Retirement Obligations

3 Months Ended

Mar. 31, 2022

Fixed Assets And Asset Retirement Obligations [Abstract]

Fixed Assets, Mineral Leaseholds, and Asset Retirement Obligations

Fixed Assets, Mineral Leaseholds and Asset Retirement Obligations

Fixed Assets

Fixed assets consisted of the following:


	March 31, 2022		December 31, 2021
Crude oil and natural gas pipelines and related assets	$	2,840,622	$	2,839,443
Alkali facilities, machinery and equipment	675,940		670,880
Onshore facilities, machinery and equipment	269,107		269,245
Transportation equipment	21,056		21,106
Marine vessels	1,018,919		1,018,284
Land, buildings and improvements	228,450		227,540
Office equipment, furniture and fixtures	26,535		23,965
Construction in progress	400,840		350,137
Other	37,586		43,440
Fixed assets, at cost	5,519,055		5,464,040
Less: Accumulated depreciation	(1,607,285)		(1,551,855)
Net fixed assets	$	3,911,770	$	3,912,185

Mineral Leaseholds

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


	March 31, 2022		December 31, 2021
Mineral leaseholds	$	566,019	$	566,019
Less: Accumulated depletion	(18,034)		(17,014)
Mineral leaseholds, net of accumulated depletion	$	547,985	$	549,005

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


	Three Months Ended March 31,
		2022		2021
Depreciation expense		$	65,750	$	62,702
Depletion expense		1,020		912

Asset Retirement Obligations

We record asset retirement obligations (“AROs”) in connection with legal requirements to perform specified retirement activities under contractual arrangements and/or governmental regulations.

The following table presents information regarding our AROs since December 31, 2021:


ARO liability balance, December 31, 2021	$	220,906
Accretion expense	3,447



Settlements	(1,461)

ARO liability balance, March 31, 2022	$	222,892

At March 31, 2022 and December 31, 2021, $35.3 million and $36.3 million are included as current in “Accrued liabilities” on our Unaudited Condensed Consolidated Balance Sheets, respectively. The remainder of the ARO liability as of March 31, 2022 and December 31, 2021 is included in “Other long-term liabilities” on our Unaudited Condensed Consolidated Balance Sheets.

With respect to our AROs, the following table presents our forecast of accretion expense for the periods indicated:


Remainder of	2022	$	9,486
	2023	$	10,583
	2024	$	9,767
	2025	$	10,469
	2026	$	8,216

Certain of our unconsolidated affiliates have AROs recorded at March 31, 2022 and December 31, 2021 relating to contractual agreements and regulatory requirements. In addition, certain entities that we consolidate have non-controlling interest owners that are responsible for their representative share of future costs of the related ARO liability. These amounts are immaterial to our Unaudited Condensed Consolidated Financial Statements.