Derivative Financial Instruments Gains and Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments, (Gain) Loss [Line Items]
Derivative settlement (gain) loss	$ 748,958	$ (351,261)	$ (39,222)
Net derivative (gain) loss	901,659	(161,576)	97,539
Oil Contracts [Member]
Derivative Instruments, (Gain) Loss [Line Items]
Derivative settlement (gain) loss	523,245	(331,559)	19,685
Net derivative (gain) loss	650,959	(205,180)	172,055
Gas Contracts [Member]
Derivative Instruments, (Gain) Loss [Line Items]
Derivative settlement (gain) loss	152,361	(11,898)	(23,008)
Net derivative (gain) loss	172,248	30,038	(41,205)
NGL Contracts [Member]
Derivative Instruments, (Gain) Loss [Line Items]
Derivative settlement (gain) loss	73,352	(7,804)	(35,899)
Net derivative (gain) loss	$ 78,452	$ 13,566	$ (33,311)