Acquisitions - WTL Oil Acquisition (Narrative) (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
May 31, 2018 |
Jul. 31, 2018 |
Jun. 30, 2018 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Business Acquisition [Line Items] | |||||
| Cash paid to acquire a business | $ 13,356 | $ 39,570 | |||
| WTL Oil LLC | |||||
| Business Acquisition [Line Items] | |||||
| Purchase price | $ 5,500 | ||||
| Consideration receivable | $ 600 | ||||
| Acquisition related costs | $ 100 | ||||
| Subsequent Event | WTL Oil LLC | |||||
| Business Acquisition [Line Items] | |||||
| Cash paid to acquire a business | $ 600 | ||||
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- Definition Business Combination, Consideration Receivable No definition available.
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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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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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