Supplemental Balance Sheet Detail (Details) - USD ($)	Dec. 31, 2021	Oct. 05, 2021	Dec. 31, 2020
Prepaid and other current assets:
Inventory, Net	$ 10,305,000		$ 4,274,000
Prepaid Expense, Current	10,693,000		14,771,000
Other current assets	20,998,000		19,045,000
Other assets:
Debt Issuance Costs, Noncurrent, Net	3,308,000		2,349,000
ROU assets – operating leases	1,671,000		2,432,000
Other	38,000		127,000
Other Assets, Noncurrent, Total	5,017,000		4,908,000
Accounts payable and accrued liabilities:
Trade accounts payable	32,452,000		7,055,000
Accounts Payable, Other, Current	35,045,000		16,088,000
Accrued Royalties, Current	95,521,000		26,615,000
Production, ad valorem and other taxes	7,905,000		3,094,000
Derivative settlements to counterparties	6,117,000		321,000
Compensation-related	13,942,000		4,222,000
Interest Payable, Current	15,321,000		504,000
Environmental remediation liability	2,287,000		0
Operating Lease, Liability, Current	914,000		936,000
Other Accrued Liabilities, Current	4,877,000		4,254,000
Accounts Payable and Accrued Liabilities, Current, Total	214,381,000		63,089,000
Other non-current liabilities:
Asset Retirement Obligations, Noncurrent	8,413,000		5,461,000
Operating Lease, Liability, Noncurrent	975,000		1,752,000
Postretirement health care benefit obligations	970,000		1,149,000
Other Liabilities, Noncurrent, Total	10,358,000		8,362,000
Tubular inventory and well materials	9,500,000		3,900,000
Crude oil volumes in storage	800,000		400,000
Drilling and Completion Prepayment	9,600,000		$ 13,600,000
Accrued Expenses - Juniper Transaction	3,500,000
Lonestar
Business Acquisition [Line Items]
Liabilities assumed	$ 2,500,000	$ 378,863,000