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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Cash and Cash Equivalents
The following table provides a reconciliation of cash, cash equivalents, and restricted cash to amounts shown in the statement of cash flows:
December 31,
202120202019
Cash and Cash Equivalents$3,565 $15,617 $16,283 
Restricted Cash, Current Portion— 735 — 
Restricted Cash, Less Current Portion — 5,247 — 
Total Cash, Cash Equivalents, and Restricted Cash$3,565 $21,599 $16,283 
Restrictions on Cash and Cash Equivalents
The following table provides a reconciliation of cash, cash equivalents, and restricted cash to amounts shown in the statement of cash flows:
December 31,
202120202019
Cash and Cash Equivalents$3,565 $15,617 $16,283 
Restricted Cash, Current Portion— 735 — 
Restricted Cash, Less Current Portion — 5,247 — 
Total Cash, Cash Equivalents, and Restricted Cash$3,565 $21,599 $16,283 
Schedule of Allowance for Credit Loss
The following represents activity related to the allowance for credit losses for the years ended:
December 31,
20212020
Allowance for Credit Losses - Trade, Beginning of Year$84 $— 
Provision for Expected Credit Losses— 84 
Allowance for Credit Losses - Trade, End of Period$84 $84 
Allowance for Credit Losses - Other Receivables, Beginning of Year$3,248 $2,463 
Provision for Expected Credit Losses104 2,760 
Write-off of Uncollectible Accounts(30)(1,975)
Allowance for Credit Losses - Other Receivables, End of Period$3,322 $3,248 
Schedule of Property, Plant and Equipment, Useful Lives
Depreciation of plant and equipment is calculated on the straight-line method over their estimated useful lives or lease terms, generally as follows:
Years
Buildings and Improvements
10 to 45
Machinery and Equipment
3 to 25
Gathering and Transmission
30 to 40
Leasehold ImprovementsLife of Lease
December 31,
20212020
Intangible Drilling Cost$5,247,800 $4,965,252 
Gas Gathering Equipment2,483,561 2,510,917 
Proved Gas Properties1,312,706 1,253,094 
Gas Wells and Related Equipment1,202,731 1,120,061 
Unproved Gas Properties730,400 725,705 
Surface Land and Other Equipment194,655 199,322 
Other 190,249 189,645 
Total Property, Plant and Equipment11,362,102 10,963,996 
Less: Accumulated Depreciation, Depletion and Amortization4,372,619 3,938,451 
Total Property, Plant and Equipment - Net$6,989,483 $7,025,545