Income Taxes Tax Effects of Temporary differences that Give Rise to Significant Portions of the Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Components of Deferred Tax Assets [Abstract]
Deferred compensation	$ 9,949	$ 10,472
Asset retirement obligations	38,274	39,371
Federal NOL carryforwards	97,555	97,880
State NOL and tax credit carryforwards, net	20,266	21,034
Federal tax - credit carryforwards	3,059	3,059
Deferred Tax Assets, Derivative Instruments	88,053	18,351
Deferred Tax Assets, Tax Deferred Expense, Other	3,854	4,364
Other	4,454	5,741
Deferred Tax Assets, Valuation Allowance	(56,634)	(165,575)
Deferred tax assets	208,830	34,697
Components of Deferred Tax Liabilities [Abstract]
Properties and equipment	235,213	33,183
Convertible debt	0	1,514
Total gross deferred tax liabilities	235,213	34,697
Net deferred tax liability	$ 26,383	$ 0