XML 61 R51.htm IDEA: XBRL DOCUMENT v3.23.3
Property, Plant and Equipment - Components (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Property, Plant and Equipment [Abstract]    
Intangible Drilling Cost $ 5,844,140 $ 5,554,021
Gas Gathering Equipment 2,603,168 2,542,587
Gas Wells and Related Equipment 1,490,547 1,342,719
Proved Gas Properties 1,370,897 1,345,114
Unproved Gas Properties 721,648 734,890
Surface Land and Other Equipment 189,185 193,153
Other 180,235 195,214
Total Property, Plant and Equipment 12,399,820 11,907,698
Less: Accumulated Depreciation, Depletion and Amortization 5,091,172 4,811,189
Total Property, Plant and Equipment—Net $ 7,308,648 $ 7,096,509