Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net (Loss) Income	$ 152,121	$ (113,789)	$ 273,962	$ (83,213)
Adjustments to Reconcile Net Income (Loss) to Net Cash Provided by Operating Activities:
Depreciation, Depletion and Amortization total	54,773	55,977	168,607	168,073
Gain on Sale of Assets			(33,094)	(10,563)
Stock-Based Compensation	1,224	1,888	6,694	4,607
Amortization of Debt Issuance Costs			6,682	6,472
Loss (Gain) on Debt Extinguishment	674	132	4,361	(657)
Deferred Income Taxes			13,095	(43,966)
Other Adjustments to Net Income			3,880	507
Changes in Operating Assets:
Accounts and Notes Receivable			(3,304)	53,970
Inventories			(11,685)	185
Prepaid Expenses and Other Assets			6,069	446
Changes in Other Assets			(24,866)	4,952
Changes in Operating Liabilities:
Accounts Payable			41,222	6,247
Commodity Derivatives, net Liability			39,282	167,743
Other Operating Liabilities			16,951	14,368
Changes in Other Liabilities			(8,170)	(36,028)
Net Cash Provided by Operating Activities			499,686	253,143
Cash Flows from Investing Activities:
Capital Expenditures	(58,395)	(45,863)	(134,456)	(103,318)
Proceeds from Sales of Assets			19,774	12,053
Other Investing Activity			(1,633)	(338)
Net Cash Used in Investing Activities			(116,315)	(91,603)
Cash Flows from Financing Activities:
Payments on Finance Lease Obligations			(18,192)	(20,864)
Proceeds from Long-Term Debt			0	75,000
Payments on Other Debt			(23)	0
Shares Withheld for Taxes			(6,187)	(2,303)
Debt-Related Financing Fees			(7,766)	(2,368)
Dividends			(34,871)	0
Net Cash Used in Financing Activities			(260,929)	(84)
Net Increase in Cash and Cash Equivalents and Restricted Cash			122,442	161,456
Cash and Cash Equivalents and Restricted Cash at Beginning of Period			198,206	50,850
Cash and Cash Equivalents and Restricted Cash at End of Period	320,648	212,306	320,648	212,306
Cash and Cash Equivalents	268,853	161,981	268,853	161,981
Restricted Cash - Current	45,941	37,557	45,941	37,557
Restricted Cash - Non-current	5,854	12,768	5,854	12,768
Cash and Cash Equivalents and Restricted Cash at End of Period	$ 320,648	$ 212,306	320,648	212,306
Non-Cash Investing and Financing Activities:
Finance Lease			6,256	12,298
Term Loan A Facility [Member]
Cash Flows from Financing Activities:
Payments on Debt			(41,250)	(25,000)
Term Loan B Facility [Member]
Cash Flows from Financing Activities:
Payments on Debt			(125,687)	(6,911)
Senior Secured Second Lien Notes due 2025 [Member]
Cash Flows from Financing Activities:
Payments on Debt			(26,387)	(17,092)
Other Asset Backed Financing [Member]
Cash Flows from Financing Activities:
Payments on Debt			$ (566)	$ (546)