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Natural Gas and Oil Properties (Tables)
 9 Months Ended
Sep. 30, 2021
Oil and Gas Exploration and Production Industries Disclosures [Abstract]  
Oil and Gas Exploration and Production Industries Disclosures Prices used to calculate the ceiling value of reserves were as follows:
September 30, 2021September 30, 2020
Natural gas (per MMBtu)
$2.94 $1.97 
Oil (per Bbl)
$57.69 $43.40 
NGLs (per Bbl)
$23.26 $9.26