Commitments and Contingencies (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2018 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term Purchase Commitment [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Future Minimum Lease Commitments |
Future minimum lease commitments under these leases at June 30, 2018 were as follows:
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| Schedule of Firm Transportation Commitments |
The table below presents these commitments at June 30, 2018 as follows:
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| Transportation commitment | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term Purchase Commitment [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Other Commitments |
The table below presents these commitments at June 30, 2018 as follows:
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of information about obligations resulting from other commitments. No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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