Segment Data (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables set forth by reportable segment the revenues, profit or loss, total assets, depreciation and amortization, and capital expenditures attributable to the principal activities of the Company (in thousands):

	Year Ended December 31,
	2023			2022			2021
Revenues:
Marine transportation	$	1,721,937		$	1,616,967		$	1,322,918
Distribution and services		1,369,703			1,167,787			923,742
	$	3,091,640		$	2,784,754		$	2,246,660
Segment profit (loss):
Marine transportation	$	238,943		$	136,184		$	63,015
Distribution and services		114,481			67,037			27,607
Other		(59,299	)		(38,246	)		(381,223	)
	$	294,125		$	164,975		$	(290,601	)
Depreciation and amortization:
Marine transportation	$	184,225		$	177,551		$	185,979
Distribution and services		19,842			16,776			20,573
Other		7,089			7,116			7,166
	$	211,156		$	201,443		$	213,718
Capital expenditures:
Marine transportation	$	255,411		$	147,170		$	84,353
Distribution and services		140,769			21,713			8,104
Other		5,550			3,723			5,558
	$	401,730		$	172,606		$	98,015

	December 31,
	2023		2022
Total assets:
Marine transportation	$	4,454,931	$	4,285,647
Distribution and services		1,156,384		1,041,841
Other		110,882		227,436
	$	5,722,197	$	5,554,924

Other Segment Reporting Information

The following table presents the details of “Other” segment profit (loss) (in thousands):

	Year Ended December 31,
	2023			2022			2021
General corporate expenses	$	(23,341	)	$	(18,614	)	$	(13,803	)
Gain on disposition of assets		5,009			8,279			5,761
Impairments and other charges		—			—			(340,713	)
Interest expense		(52,008	)		(44,588	)		(42,469	)
Other income		11,041			16,677			10,001
	$	(59,299	)	$	(38,246	)	$	(381,223	)

The following table presents the details of “Other” total assets (in thousands):

	December 31,
	2023		2022
General corporate assets	$	108,306	$	225,265
Investment in affiliates		2,576		2,171
	$	110,882	$	227,436