Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Segment information for the periods presented below was as follows:

	Offshore pipeline transportation		Marine transportation		Onshore transportation and services		Total
Three Months Ended March 31, 2025
Segment Revenues(1)	$	108,887	$	80,644	$	208,780	$	398,311
Segment Operating Expenses	(32,936)		(50,889)		(68,009)		(151,834)
Segment Product Costs	—		—		(127,691)		(127,691)
Other Segment Items(2)	597		266		1,746		2,609
Segment Margin(3)	$	76,548	$	30,021	$	14,826	$	121,395
	Offshore pipeline transportation		Marine transportation		Onshore transportation and services		Total
Three Months Ended March 31, 2024
Segment Revenues(1)	$	101,990	$	83,574	$	248,883	$	434,447
Segment Operating Expenses	(27,818)		(52,408)		(71,687)		(151,913)
Segment Product Costs	—		—		(160,388)		(160,388)
Other Segment Items(2)	23,634		197		1,290		25,121
Segment Margin(3)	$	97,806	$	31,363	$	18,098	$	147,267

(1)There were no intersegment revenues for the three months ended March 31, 2025 and 2024.

(2)Other Segment Items primarily includes adjustments related to the difference in timing of cash receipts for certain contractual agreements (applicable to our offshore pipeline transportation and onshore transportation and services segments), segment general and administrative expenses less the non-cash effects of our LTIP plan (applicable to all reportable segments), net effects of our noncontrolling interests (applicable to our offshore pipeline transportation segment), adjustments to include distributable cash generated by our equity investees (applicable to our offshore pipeline transportation and onshore transportation and services segments), unrealized gains and losses from the valuation of our commodity derivative transactions (excluding fair value hedges) (applicable to our onshore transportation and services segment).

(3)A reconciliation of Net income (loss) from continuing operations before income taxes to total Segment Margin for the periods is presented below.

Total assets by reportable segment were as follows:

	March 31, 2025		December 31, 2024
Offshore pipeline transportation	$	2,759,749	$	2,748,296
Marine transportation	640,525		641,082
Onshore transportation and services	1,395,264		1,401,238
Total reportable segment assets	$	4,795,538	$	4,790,616
Other assets	416,321		39,656
Assets held for discontinued operations	—		2,207,420
Total consolidated assets	$	5,211,859	$	7,037,692

Total growth and maintenance capital expenditures for fixed and intangible assets (including enhancements to existing facilities and construction of growth projects as well as contributions to equity investees) by reportable segment for three months ended March 31, 2025 and 2024 were as follows:

	Three Months Ended March 31,
	2025		2024
Offshore pipeline transportation(1)	$	29,314	$	63,626
Marine transportation	16,990		12,310
Onshore transportation and services	3,176		6,541
Total reportable segment capital expenditures	$	49,480	$	82,477
Other	427		2,977
Total consolidated capital expenditures(2)	$	49,907	$	85,454

(1)Capital expenditures in our offshore pipeline transportation segment for three months ended March 31, 2025 and 2024 represent 100% of the costs incurred, including those funded by our noncontrolling interest holder.

(2)Growth and maintenance capital expenditures related to our previously owned Alkali Business are associated with our discontinued operations and are not included in the table above

Reconciliation of Segment Margin to (Loss) Income from Continuing Operations

Reconciliation of Net income (loss) from continuing operations before income taxes to total Segment Margin:

	Three Months Ended March 31,
	2025		2024
Net income (loss) from continuing operations before income taxes	$	(36,417)	$	12,162
Net income attributable to noncontrolling interests	(8,769)		(7,603)
Corporate general and administrative expenses	41,676		15,211
Depreciation, amortization and accretion	59,011		52,163
Interest expense, net	70,038		62,334
Adjustment to include distributable cash generated by equity investees not included in income and exclude equity in investees net income(1)	6,092		6,808
Unrealized losses (gains) on derivative transactions excluding fair value hedges, net of changes in inventory value	(71)		247
Other non-cash items	(2,722)		(2,127)
Loss on extinguishment of debt	844		—
Differences in timing of cash receipts for certain contractual arrangements(2)	(8,287)		8,072
Total Segment Margin	$	121,395	$	147,267

(1)Includes distributions attributable to the quarter and received during or promptly following such quarter.

(2)Includes the difference in timing of cash receipts from customers during the period and the revenue we recognize in accordance with GAAP on our related contracts.