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Summarized Quarterly Financial Information (unaudited) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Summarized Quarterly Financial Information [Abstract] | |||||||||||
| Total revenues | $ 38,418us-gaap_OilAndGasSalesRevenue | $ 39,657us-gaap_OilAndGasSalesRevenue | $ 40,502us-gaap_OilAndGasSalesRevenue | $ 33,285us-gaap_OilAndGasSalesRevenue | $ 26,471us-gaap_OilAndGasSalesRevenue | $ 30,797us-gaap_OilAndGasSalesRevenue | $ 22,760us-gaap_OilAndGasSalesRevenue | $ 22,541us-gaap_OilAndGasSalesRevenue | $ 151,862us-gaap_OilAndGasSalesRevenue | $ 102,569us-gaap_OilAndGasSalesRevenue | $ 110,733us-gaap_OilAndGasSalesRevenue |
| Income from operations | 7,983us-gaap_OperatingIncomeLoss | 11,562us-gaap_OperatingIncomeLoss | 12,080us-gaap_OperatingIncomeLoss | 6,645us-gaap_OperatingIncomeLoss | 2,464us-gaap_OperatingIncomeLoss | 6,345us-gaap_OperatingIncomeLoss | 957us-gaap_OperatingIncomeLoss | 898us-gaap_OperatingIncomeLoss | 38,270us-gaap_OperatingIncomeLoss | 10,664us-gaap_OperatingIncomeLoss | 10,690us-gaap_OperatingIncomeLoss |
| Net income (loss) | 18,962us-gaap_NetIncomeLoss | 12,201us-gaap_NetIncomeLoss | 4,740us-gaap_NetIncomeLoss | 1,863us-gaap_NetIncomeLoss | 3,264us-gaap_NetIncomeLoss | 1,082us-gaap_NetIncomeLoss | 758us-gaap_NetIncomeLoss | (800)us-gaap_NetIncomeLoss | 37,766us-gaap_NetIncomeLoss | 4,304us-gaap_NetIncomeLoss | 2,747us-gaap_NetIncomeLoss |
| Income (loss) available to common shares | $ 16,988us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 10,227us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 2,767us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ (111)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 1,291us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ (892)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 78us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ (800)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 29,871us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ (323)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 2,747us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |
| Basic income (loss) per share | $ 0.31us-gaap_EarningsPerShareBasic | $ 0.24us-gaap_EarningsPerShareBasic | $ 0.07us-gaap_EarningsPerShareBasic | $ 0.00us-gaap_EarningsPerShareBasic | $ 0.03us-gaap_EarningsPerShareBasic | $ (0.02)us-gaap_EarningsPerShareBasic | $ (0.02)us-gaap_EarningsPerShareBasic | $ 0.67us-gaap_EarningsPerShareBasic | $ (0.01)us-gaap_EarningsPerShareBasic | $ 0.07us-gaap_EarningsPerShareBasic | |
| Diluted income (loss) per share | $ 0.30us-gaap_EarningsPerShareDiluted | $ 0.23us-gaap_EarningsPerShareDiluted | $ 0.07us-gaap_EarningsPerShareDiluted | $ 0.00us-gaap_EarningsPerShareDiluted | $ 0.03us-gaap_EarningsPerShareDiluted | $ (0.02)us-gaap_EarningsPerShareDiluted | $ (0.02)us-gaap_EarningsPerShareDiluted | $ 0.65us-gaap_EarningsPerShareDiluted | $ (0.01)us-gaap_EarningsPerShareDiluted | $ 0.07us-gaap_EarningsPerShareDiluted | |
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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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- Definition
The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Details
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