Revenues (Tables)

12 Months Ended

Dec. 31, 2020

Revenues [Abstract]

Revenues by Major Source

The following table sets forth the Company’s revenues by major source (in thousands):

	Year Ended December 31,
	2020		2019		2018
Marine transportation segment:
Inland transportation	$	1,094,630	$	1,220,878	$	1,119,820
Coastal transportation		309,635		366,204		363,323
	$	1,404,265	$	1,587,082	$	1,483,143

Distribution and services segment:
Oil and gas	$	200,817	$	659,364	$	1,010,410
Commercial and industrial		566,326		591,953		477,144
	$	767,143	$	1,251,317	$	1,487,554