Related Parties - Additional Information (Details) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
May. 31, 2015 |
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| 9.00% Term Loan due 2020 | ||||
| Related Party Transaction [Line Items] | ||||
| Debt instrument interest rate | 9.00% | 9.00% | ||
| Carrying value of senior notes | $ 300,000,000 | |||
| Airplane Services | ||||
| Related Party Transaction [Line Items] | ||||
| Related party transactions | 1,100,000 | $ 900,000 | $ 1,200,000 | |
| Directional Drilling Services | ||||
| Related Party Transaction [Line Items] | ||||
| Related party transactions | $ 0 | 200,000 | 200,000 | |
| Majority Shareholder [Member] | 9.00% Term Loan due 2020 | ||||
| Related Party Transaction [Line Items] | ||||
| Debt instrument interest rate | 9.00% | |||
| Carrying value of senior notes | $ 5,000,000 | |||
| Minimum | Marine Transportation and Logistic Services | ||||
| Related Party Transaction [Line Items] | ||||
| Related party transactions | $ 200,000 | $ 200,000 | $ 200,000 | |
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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