Fixed Assets and Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2019

Fixed Assets And Asset Retirement Obligations [Abstract]

Schedule of Fixed Assets

Fixed assets consisted of the following:

	December 31,
	2019			2018
Crude oil pipelines and natural gas pipelines and related assets	$	2,891,489		$	2,918,285
Alkali facilities, machinery, and equipment	591,547			533,924
Onshore facilities, machinery, and equipment	640,376			639,023
Transportation equipment	19,864			20,102
Marine vessels	979,171			951,597
Land, buildings and improvements	238,451			222,242
Office equipment, furniture and fixtures	22,645			20,505
Construction in progress	115,162			94,025
Other	41,891			41,155
Fixed assets, at cost	5,540,596			5,440,858
Less: Accumulated depreciation	(1,246,121		)	(1,023,825		)
Net fixed assets	$	4,294,475		$	4,417,033

Schedule of Mineral Leaseholds

Mineral Leaseholds

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

	December 31, 2019			December 31, 2018
Mineral leaseholds	$	566,019		$	566,019
Less: Accumulated depletion	(10,194		)	(5,538		)
Mineral leaseholds, net	$	555,825		$	560,481

Schedule of Change in Asset Retirement Obligation

A reconciliation of our liability for asset retirement obligations is as follows:

December 31, 2017	$	198,187
Accretion expense	10,509
Revisions in timing and estimated costs of AROs	44,319
Settlements	(13,150		)
December 31, 2018	239,865
Accretion expense	9,402
Revisions in timing and estimated costs of AROs	(20,529		)
Settlements	(53,657		)
December 31, 2019	$	175,081

Schedule of Forecast or Accretion Expense to Asset Retirement Obligations

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

2020	$	8,860
2021	$	8,939
2022	$	9,417
2023	$	10,081
2024	$	10,792