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Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
June 30,
2021
December 31,
2020
Intangible Drilling Cost$5,127,989 $4,965,252 
Gas Gathering Equipment2,459,197 2,510,917 
Proved Gas Properties1,271,774 1,253,094 
Gas Wells and Related Equipment1,164,025 1,120,061 
Unproved Gas Properties718,042 725,705 
Surface Land and Other Equipment197,956 199,322 
Other189,513 189,645 
Total Property, Plant and Equipment11,128,496 10,963,996 
Less: Accumulated Depreciation, Depletion and Amortization4,119,856 3,938,451 
Total Property, Plant and Equipment - Net$7,008,640 $7,025,545