Variable Interest Entities (Details) - helicopter |
6 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2019 |
Dec. 31, 2018 |
Apr. 06, 2018 |
Jun. 30, 2019 |
|
| Variable Interest Entity [Line Items] | ||||
| Percentage of ownership | 100.00% | 100.00% | ||
| Dire Wolf Energy Services LLC | Cobra Aviation Services LLC | ||||
| Variable Interest Entity [Line Items] | ||||
| Interest transferred | 100.00% | |||
| Cobra Aviation Services LLC | ||||
| Variable Interest Entity [Line Items] | ||||
| Number of helicopters | 3 | |||
| ARS | ||||
| Variable Interest Entity [Line Items] | ||||
| Percentage of ownership | 100.00% | |||
| Wexford | ||||
| Variable Interest Entity [Line Items] | ||||
| Percentage of ownership | 48.90% | 49.00% | 49.00% | 49.00% |
| X | ||||||||||
- Definition Number Of Helicopters No definition available.
|
| X | ||||||||||
- Definition Variable Interest Entity, Interest Transferred Into VIE No definition available.
|
| X | ||||||||||
- Definition Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction. No definition available.
|
| 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.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|