Liquidity (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Jun. 30, 2016 |
Jun. 29, 2016 |
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| Liquidity And Going Concern [Line Items] | |||||
| Oil and natural gas sales | $ 59,784 | $ 80,445 | $ 127,691 | ||
| Credit facility borrowing base | $ 20,100 | $ 20,000 | $ 20,000 | ||
| Term Loan [Member] | |||||
| Liquidity And Going Concern [Line Items] | |||||
| Loans payable | $ 15,000 | $ 15,000 | |||
| X | ||||||||||
- Definition Liquidity And Going Concern [Line Items] No definition available.
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| X | ||||||||||
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Revenue from the sale of oil and gas during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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