Income Taxes (Schedule of Effective Tax Rate Reconciliation) (Details 3) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2020	Sep. 18, 2020	Dec. 31, 2021	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Amount
Income tax provision calculated using the federal statutory income tax rate	$ (11,169)	$ (388,228)	$ 11,921	$ 67,475
State income taxes, net of federal income tax benefit	(2,532)	(86,937)	450	7,435
Tax shortfall (windfall) on stock-based compensation deduction	0	(1,502)	(267)	1,912
Nondeductible compensation	0	0	5,057	0
Change in valuation allowance	9,653	19,344	(2,928)	26,122
Enhanced oil recovery credits generated	0	0	(14,272)	0
Tax attributes reduction - net of CODI exclusion	0	31,667	0	0
Other	1,522	9,527	806	1,408
Total income tax expense (benefit)	$ (2,526)	$ (416,129)	$ 767	$ 104,352