Supplemental Disclosures (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Condensed Cash Flow Statements, Captions [Line Items]
Cash paid for interest expense, net of amounts capitalized	$ 35,085	$ 35,461
Increase in liabilities for drilling, completion and equipping capital expenditures	40,067	35,714
Decrease in liabilities for midstream properties capital expenditures	(6,691)	(5,579)
Stock-based compensation expense (benefit) recognized as liability	7,249	(1,411)
Transfer of inventory (to) from oil and natural gas properties	(574)	401
Increase (Decrease) In Liabilities For Acquisition Of Oil And Natural Gas Properties	2,031	(1,112)
Mineral Properties
Condensed Cash Flow Statements, Captions [Line Items]
Increase (decrease) in asset retirement obligations	105	738
Midstream Properties
Condensed Cash Flow Statements, Captions [Line Items]
Increase (decrease) in asset retirement obligations	$ 0	$ 213