Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flows from Operating Activities:
Net Income (Loss)	$ 230,377	$ (4,450)
Adjustments to Reconcile Net Income (Loss) to Net Cash Provided by Operating Activities:
Depreciation, Depletion and Amortization	59,551	55,954
Gain on Sale of Assets	(5,726)	(6,181)
Stock-Based Compensation	4,792	4,201
Amortization of Debt Issuance Costs	2,141	2,020
Loss on Debt Extinguishment	1,375	2,122
Deferred Income Taxes	(210)	(5,078)
Other Adjustments to Net Income	(34)	162
Changes in Operating Assets:
Accounts and Notes Receivable	11,031	(74,050)
Inventories	(29,345)	4,078
Prepaid Expenses and Other Assets	5,306	2,165
Changes in Other Assets	(4,810)	(5,582)
Changes in Operating Liabilities:
Accounts Payable	(3,274)	23,456
Commodity Derivatives, net Liability	(15,142)	147,981
Other Operating Liabilities	21,888	(883)
Changes in Other Liabilities	(29,409)	2,292
Net Cash Provided by Operating Activities	248,511	148,207
Cash Flows from Investing Activities:
Capital Expenditures	(33,757)	(36,643)
Proceeds from Sales of Assets	6,000	6,478
Purchases of Short-Term Investments	(75,000)	0
Other Investing Activity	0	(1,329)
Net Cash Used in Investing Activities	(102,757)	(31,494)
Cash Flows from Financing Activities:
Payments on Finance Lease Obligations	(8,137)	(6,328)
Payments on Other Debt	(235)	(187)
Shares Withheld for Taxes	(12,708)	(6,072)
Repurchases of Common Stock	(75,121)	0
Dividends	(38,287)	0
Net Cash Used in Financing Activities	(225,863)	(45,911)
Net (Decrease) Increase in Cash and Cash Equivalents and Restricted Cash	(80,109)	70,802
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	326,952	198,206
Cash and Cash Equivalents and Restricted Cash at End of Period	246,843	269,008
Non-Cash Investing and Financing Activities:
Finance Lease	588	4,166
Term Loan A Facility
Cash Flows from Financing Activities:
Payments on debt	0	(6,250)
Term Loan B Facility
Cash Flows from Financing Activities:
Payments on debt	(40,000)	(687)
Senior Secured Second Lien Notes due 2025
Cash Flows from Financing Activities:
Payments on debt	$ (51,375)	$ (26,387)