Acquisitions - Schedule of Assets Acquired and Liabilities Assumed Air Rescue System and Brim Equipment (Details) - USD ($) $ in Thousands |
Dec. 21, 2018 |
Jun. 30, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|---|---|
| Business Acquisition [Line Items] | ||||
| Goodwill | $ 101,245 | $ 101,245 | $ 99,811 | |
| Cobra Aviation Services LLC | ARS | ||||
| Business Acquisition [Line Items] | ||||
| Accounts receivable | $ 146 | |||
| Property, plant and equipment | 1,702 | |||
| Identifiable intangible assets | 120 | |||
| Goodwill | 694 | |||
| Other non-current assets | 5 | |||
| Total assets acquired | $ 2,667 | |||
| Finite-lived intangible asset, useful life (in years) | 20 years | |||
| Cobra Aviation Services LLC | Brim Equipment Assets | ||||
| Business Acquisition [Line Items] | ||||
| Accounts receivable | $ 0 | |||
| Property, plant and equipment | 1,990 | |||
| Identifiable intangible assets | 0 | |||
| Goodwill | 2,243 | |||
| Other non-current assets | 0 | |||
| Total assets acquired | $ 4,233 |
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- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets And Goodwill, Total No definition available.
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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