XML 45 R25.htm IDEA: XBRL DOCUMENT v3.22.0.1
Exploratory Well Costs (Tables)
12 Months Ended
Dec. 31, 2021
Exploratory Well Cost [Abstract]  
Capitalized Exploratory Well Costs The changes in capitalized exploratory well costs are as follows:
Year Ended December 31, 2021
(in thousands)
Beginning capitalized exploratory project costs$— 
Additions to exploratory well costs pending the determination of proved reserves6,966 
Ending capitalized exploratory well costs$6,966