Leases - Capital Lease Obligation (Details) - USD ($) $ in Thousands |
Sep. 30, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Capital Leased Assets [Line Items] | ||
| Total obligations related to capital leases | $ 296,710 | $ 148,908 |
| Less: current portion | (15,839) | (7,227) |
| Long-term obligations related to capital leases | 280,871 | 141,681 |
| Aframax Tanker | ||
| Capital Leased Assets [Line Items] | ||
| Total obligations related to capital leases | 153,140 | 0 |
| Suezmax Tankers | ||
| Capital Leased Assets [Line Items] | ||
| Total obligations related to capital leases | $ 143,570 | $ 148,908 |
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of capital lease obligation due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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