REVENUES (Tables)

3 Months Ended

Mar. 31, 2019

REVENUES [Abstract]

Revenues by Major Source

The following table sets forth the Company’s revenues by major source for the three months ended March 31, 2019 and 2018 (in thousands):

	Three months ended March 31,
	2019		2018
Marine transportation segment:
Inland transportation	$	283,085	$	252,355
Coastal transportation		85,036		88,048
	$	368,121	$	340,403
Distribution and services segment:
Oil and gas	$	223,101	$	274,491
Commercial and industrial		153,399		126,794
	$	376,500	$	401,285