Business Segments (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Segment Reporting by Segment

Three Months Ended June 30, 2023	Operating Revenues		Intersegment Revenues Eliminations		Operating Revenues after Eliminations		Depreciation and Amortization		Operating Income (Loss) after Eliminations		Capital Expenditures and Plant Turnaround Costs
Terminalling and storage	$	23,906	$	(2,222)	$	21,684	$	5,195	$	2,236	$	3,324
Transportation	58,395		(3,645)		54,750		3,760		5,345		2,471
Sulfur services	40,330		—		40,330		2,756		8,493		3,660
Specialty products	78,898		(26)		78,872		836		5,149		340
Indirect selling, general and administrative	—		—		—		—		(3,894)		—
Total	$	201,529	$	(5,893)	$	195,636	$	12,547	$	17,329	$	9,795

Three Months Ended June 30, 2022	Operating Revenues		Intersegment Revenues Eliminations		Operating Revenues after Eliminations		Depreciation and Amortization		Operating Income (Loss) after Eliminations		Capital Expenditures and Plant Turnaround Costs
Terminalling and storage	$	23,622	$	(3,199)	$	20,423	$	7,172	$	(3,276)	$	2,613
Transportation	60,902		(5,070)		55,832		3,590		6,154		933
Sulfur services	56,953		—		56,953		2,882		12,000		1,131
Specialty products	133,818		(30)		133,788		1,156		11,002		98
Indirect selling, general and administrative	—		—		—		—		(4,390)		—
Total	$	275,295	$	(8,299)	$	266,996	$	14,800	$	21,490	$	4,775

Six Months Ended June 30, 2023	Operating Revenues		Intersegment Revenues Eliminations		Operating Revenues after Eliminations		Depreciation and Amortization		Operating Income (Loss) after Eliminations		Capital Expenditures and Plant Turnaround Costs
Terminalling and storage	$	47,825	$	(5,283)	$	42,542	$	10,794	$	2,300	$	7,109
Transportation	120,334		(9,861)		110,473		7,522		8,524		3,999
Sulfur services	76,009		—		76,009		5,433		15,897		5,708
Specialty products	211,175		(34)		211,141		1,699		16,205		599
Indirect selling, general and administrative	—		—		—		—		(8,092)		—
Total	$	455,343	$	(15,178)	$	440,165	$	25,448	$	34,834	$	17,415

Six Months Ended June 30, 2022	Operating Revenues		Intersegment Revenues Eliminations		Operating Revenues after Eliminations		Depreciation and Amortization		Operating Income (Loss) after Eliminations		Capital Expenditures and Plant Turnaround Costs
Terminalling and storage	$	45,993	$	(6,173)	$	39,820	$	14,172	$	(6,333)	$	6,365
Transportation	112,799		(10,257)		102,542		7,163		7,943		4,514
Sulfur services	116,076		—		116,076		5,591		26,837		3,094
Specialty products	287,827		(68)		287,759		2,360		27,004		737
Indirect selling, general and administrative	—		—		—		—		(8,512)		—
Total	$	562,695	$	(16,498)	$	546,197	$	29,286	$	46,939	$	14,710

Assets by Segment

The Partnership's assets by reportable segment as of June 30, 2023 and December 31, 2022, are as follows:

	June 30, 2023		December 31, 2022
Total assets:
Terminalling and storage	$	169,668	$	184,537
Transportation	153,226		153,451
Sulfur services	103,196		110,688
Specialty products	76,727		150,175
Total assets	$	502,817	$	598,851