Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

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COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
Dec. 31, 2018
vessel
Sep. 30, 2018
USD ($)
vessel
Commitments and Contingencies Disclosure [Abstract]    
Number of multi-purpose service vessels being constructed | vessel 2 2
Estimate of possible loss | $   $ 12.5