Acquisitions - Pro Forma Information High Power Acquisition (Details) - Higher Power - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | |
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Jun. 30, 2018 |
Jun. 30, 2017 |
Dec. 31, 2017 |
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| Business Acquisition [Line Items] | |||
| Revenues | $ 122,734 | $ 39,571 | |
| Net income | 16,205 | 5,127 | |
| Depreciation | 2,300 | 2,000 | |
| Revenues | $ 4,481 | ||
| Net loss | $ (411) | ||
| Eliminations | |||
| Business Acquisition [Line Items] | |||
| Revenues | $ 111,400 | $ 27,400 | |
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- Definition Business Combination, Pro Forma Information, Depreciation of Acquiree since Acquisition Date, Actual 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 The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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