CONTINGENCIES (Details)	Sep. 30, 2019 USD ($)	May 10, 2019 Vessel	Mar. 22, 2014 TankBarge Vessel
Guaranties [Abstract]
Issued guaranties	$ 21,220,000
Performance Bonds [Member]
Guaranties [Abstract]
Issued guaranties	9,980,000
Struck by LPG Tanker, the Genesis River [Member]
Loss Contingency [Abstract]
Number of vessels involved in collision | Vessel		2
Collision with M/S Summer Wind [Member]
Loss Contingency [Abstract]
Number of vessels involved in collision | Vessel			2
Number of vessels damaged in collision resulting in fuel oil discharge | TankBarge			1
Letters of Credit [Member]
Guaranties [Abstract]
Issued guaranties	$ 11,240,000