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Commitments and Contingencies Commitments and Contingencies
3 Months Ended
Mar. 31, 2019
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. There have been no material changes to the Company's contractual obligations described in our Form 10-K.

Future minimum rental commitments under non-cancelable leases in effect at December 31, 2018 are as follows (in thousands):

 
December 31, 2018
2019
$
4,470

2020
838

2021
332

Thereafter

Total undiscounted lease payments
$
5,640



The table above was prepared under the guidance of Topic 840. As discussed in Note 3 above, the Company adopted the guidance of Topic 842 effective January 1, 2019.