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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
September 30,
2021
December 31,
2020
Intangible Drilling Cost$5,179,078 $4,965,252 
Gas Gathering Equipment2,464,392 2,510,917 
Proved Gas Properties1,286,205 1,253,094 
Gas Wells and Related Equipment1,181,664 1,120,061 
Unproved Gas Properties710,470 725,705 
Surface Land and Other Equipment196,399 199,322 
Other188,532 189,645 
Total Property, Plant and Equipment11,206,740 10,963,996 
Less: Accumulated Depreciation, Depletion and Amortization4,246,423 3,938,451 
Total Property, Plant and Equipment - Net$6,960,317 $7,025,545