Impairment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items]
Full cost pool ceiling impairments	$ 0	$ 218,399	$ 409,574
Impairment	0	256,399	409,574
Other
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items]
Impairment	$ 0	$ 38,000	$ 0