XML 37 R22.htm IDEA: XBRL DOCUMENT v3.10.0.1
PREPAYMENTS ON VESSELS (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Disclosure of detailed information about property, plant and equipment [line items]      
Balance $ 88.4 $ 44.1 $ 44.1
Additions 34.2 38.6 44.3
Transferred to vessels (63.9) 0.0 0.0
Balance $ 58.7 $ 82.7 $ 88.4