XML 59 R51.htm IDEA: XBRL DOCUMENT v3.19.2
Leases - Future Minimum Lease Payments (Details) - Suezmax, Aframax and LR2 Vessels [Member]
$ in Thousands
Jun. 30, 2019
USD ($)
Finance Leased Assets [Line Items]  
Finance Lease, Liability, Payments, Remainder of Fiscal Year $ 30,336
Finance Lease, Liability, Payments, Due Year Two 56,364
Finance Lease, Liability, Payments, Due Year Three 56,202
Finance Lease, Liability, Payments, Due Year Four 56,193
Finance Lease, Liability, Payments, Due Year Five 56,184
Finance Lease, Liability, Payments, Due after Year Five 376,750
Finance Lease Obligations [Member]  
Finance Leased Assets [Line Items]  
Finance Lease, Liability, Undiscounted Excess Amount $ 203,200