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Commitments and Contingencies Commitments and Contingencies
6 Months Ended
Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies
(11)        Commitments and Contingencies

In the ordinary course of business, we are party to various legal actions, which arise primarily from our activities as operator of oil and natural gas wells. In management's opinion, the outcome of any such currently pending legal actions will not have a material adverse effect on our financial position or results of operations.