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Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
March 31,
2021
December 31,
2020
Intangible Drilling Cost$5,056,060 $4,965,252 
Gas Gathering Equipment2,519,293 2,510,917 
Proved Gas Properties1,270,178 1,253,094 
Gas Wells and Related Equipment1,138,212 1,120,061 
Unproved Gas Properties711,881 725,705 
Surface Land and Other Equipment199,147 199,322 
Other189,587 189,645 
Total Property, Plant and Equipment11,084,358 10,963,996 
Less: Accumulated Depreciation, Depletion and Amortization4,064,594 3,938,451 
Total Property, Plant and Equipment - Net$7,019,764 $7,025,545