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ASSETS HELD-FOR-SALE AND NON-CURRENT ASSETS SOLD DURING THE PERIOD (Detail Textuals) - Non-current assets held for sale $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019 Vessel	Mar. 31, 2019 Vessel	Jun. 30, 2019 USD ($) Vessel
Disclosure Of Information About Non Current Assets Held For Sale [Line Items]
Number of additional sold vessels \| Vessel			3
Number of vessels delivered to new owner \| Vessel	1	2
Profit from sale of vessels \| $			$ 0.3
Impairment on sold or held-for-sale vessels \| $			$ 2.7