REVENUES (Tables)

3 Months Ended

Mar. 31, 2018

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, 2018 and 2017 (in thousands):

	Three months ended March 31,
	2018		2017
Marine transportation segment:
Inland transportation	$	252,355	$	237,238
Coastal transportation		88,048		106,414
	$	340,403	$	343,652
Distribution and services segment:
Oil and gas	$	274,491	$	97,104
Commercial and industrial		126,794		50,949
	$	401,285	$	148,053