Leases (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating Lease, Cost		$ 891	$ 979	$ 773
Short-term Lease, Cost		24,655	23,721	36,202
Variable Lease, Cost		24,807	21,932	23,762
Amounts charged as dilling costs		(21,213)	(20,708)	(33,354)
Lease, Cost		29,140	25,924	27,383
Operating Lease, Payments		981	943	659
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 2,500	$ 0	388	3,325
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability, During the Year			$ 800
Operating Lease, Weighted Average Remaining Lease Term		2 years 1 month 6 days	3 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent		3.13%	3.24%
Natural Gas, Gathering, Transportation, Marketing and Processing [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost		$ 10,800	$ 11,200	12,100
Operating Expense
Lessee, Lease, Description [Line Items]
Lease, Cost		17,400	13,800	14,500
General and Administrative Expense
Lessee, Lease, Description [Line Items]
Lease, Cost		$ 900	$ 1,000	$ 800