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Summary of Significant Accounting Policies Summary (Tables) | 12 Months Ended
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Dec. 31, 2019
Accounting Policies [Abstract] |
Schedules of Concentration of Risk | The Company had sales exceeding 10% of total revenues to the following oil and natural gas purchasers (in thousands):
| Sales |  | % of Revenue
December 31, 2019 |  |  |
Targa Pipeline Mid-Continent West OK LLC | $ | 85,780 |  |  | 32.1 | %
Sinclair Crude Company | $ | 74,810 |  |  | 28.0 | %
Plains Marketing, L.P. | $ | 69,214 |  |  | 25.9 | %
December 31, 2018 |  |  |
Targa Pipeline Mid-Continent West OK LLC | $ | 126,548 |  |  | 36.2 | %
Plains Marketing, L.P. | $ | 102,182 |  |  | 29.2 | %
Sinclair Crude Company | $ | 62,623 |  |  | 17.9 | %
December 31, 2017 |  |  |
Targa Pipeline Mid-Continent West OK LLC | $ | 144,583 |  |  | 40.5 | %
Plains Marketing, L.P. | $ | 117,927 |  |  | 33.0 | %

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