Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue
Revenue	$ 6,509,680	$ 3,394,477	$ 3,940,558
Income (loss) from derivatives, deferred revenue and other sources	(1,890,248)	97,222	468,132
Total revenue	4,619,432	3,491,699	4,408,690
Natural gas sales
Disaggregation of Revenue
Revenue	3,442,028	1,809,952	2,247,162
Oil sales
Disaggregation of Revenue
Revenue	201,232	112,270	177,549
Gathering and compression
Disaggregation of Revenue
Revenue			3,972
Water handling and treatment
Disaggregation of Revenue
Revenue			506
Marketing
Disaggregation of Revenue
Revenue	718,921	310,572	292,207
Exploration and production | Natural gas sales
Disaggregation of Revenue
Revenue	3,442,028	1,809,952	2,247,162
Exploration and production | Natural gas liquids sales (ethane)
Disaggregation of Revenue
Revenue	206,889	113,811	124,563
Exploration and production | Natural gas liquids sales (C3+ NGLs)
Disaggregation of Revenue
Revenue	1,940,610	1,047,872	1,094,599
Exploration and production | Oil sales
Disaggregation of Revenue
Revenue	201,232	112,270	177,549
Marketing | Marketing
Disaggregation of Revenue
Revenue	$ 718,921	$ 310,572	$ 292,207