Supplemental Disclosures (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Condensed Cash Flow Statements, Captions [Line Items]
Cash paid for interest expense, net of amounts capitalized	$ 35,461	$ 35,326
Increase in liabilities for oil and natural gas properties capital expenditures	34,602	16,184
Decrease in liabilities for midstream properties capital expenditures	(5,579)	(3,908)
Stock-based compensation (benefit) expense recognized as liability	1,411	(605)
Transfer of inventory from oil and natural gas properties	401	250
Mineral Properties
Condensed Cash Flow Statements, Captions [Line Items]
Increase (decrease) in asset retirement obligations	738	445
Midstream Properties
Condensed Cash Flow Statements, Captions [Line Items]
Increase (decrease) in asset retirement obligations	$ 213	$ 0