Commitments And Contingencies (Detail) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
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Apr. 20, 2016
USD ($)
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Dec. 31, 2016
USD ($)
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Jun. 30, 2015
USD ($)
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Sep. 30, 2016
USD ($)
item
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Dec. 31, 2015
USD ($)
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Jun. 30, 2016
USD ($)
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| Commitments And Contingencies [Line Items] | ||||||
| Number Monthly Payments | item | 7 | |||||
| Contractual Obligation Company Share | $ 3,600,000 | $ 5,100,000 | ||||
| Abandonment Funding | 5,137,000 | $ 5,137,000 | ||||
| Abandonment cost related to annual funding | 61,100,000 | |||||
| Abandonment cost related to annual funding, net | 17,300,000 | |||||
| DGH audit settlement | $ 300,000 | |||||
| Payments for Legal Settlements | $ 775,000 | |||||
| Scenario, Forecast [Member] | ||||||
| Commitments And Contingencies [Line Items] | ||||||
| Abandonment cost related to annual funding | $ 9,100,000 | |||||
| Abandonment cost related to annual funding, net | $ 2,600,000 | |||||
| Gabon [Member] | ||||||
| Commitments And Contingencies [Line Items] | ||||||
| Abandonment Funding | 5,100,000 | |||||
| Abandonment funding, gross | $ 18,300,000 | |||||
| Accrued Payroll Taxes | $ 2,200,000 | |||||
| X | ||||||||||
- Definition Abandonment cost related to annual funding. No definition available.
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| X | ||||||||||
- Definition Abandonment Cost Related To Annual Funding, Net No definition available.
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| X | ||||||||||
- Definition Abandonment funding. No definition available.
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- Definition Abandonment Funding, Gross No definition available.
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| X | ||||||||||
- Definition Commitments And Contingencies Line Items No definition available.
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| X | ||||||||||
- Definition Dollars paid to resolve issues with the government agency responsible for oil and gas development policy and management. No definition available.
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- Definition Number of monthly payments under a negotiated agreement. No definition available.
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- Definition Payments of contractual obligation. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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