Long-Term Debt (Details) $ in Thousands				3 Months Ended		6 Months Ended
	Jun. 22, 2022 USD ($)	Nov. 29, 2021 USD ($)	Nov. 12, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Apr. 12, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 15, 2017 USD ($)
Bank Borrowings
Long-term Debt, excluding current maturities				$ 640,175		$ 640,175			$ 372,825
Payments of Debt Issuance Costs						7,207	$ 2,400
Write off of Debt Issuance Cost						350	229
Second Lien [Abstract]
Long-term debt, gross				$ 644,000		644,000			377,000
Discount Rate for Estimated Future Net Revenues from Proved Properties				10.00%
Gross interest expense including amortization of debt issuance costs				$ 7,902	$ 7,436	14,459	14,454
New Credit Facility [Member]
Bank Borrowings
Debt Issuance Costs, Net				9,700		9,700			3,600
Second Lien Notes [Member]
Bank Borrowings
Debt Issuance Costs, Net				2,853		2,853			3,114
Long-term Debt, excluding current maturities				150,000		150,000			150,000	$ 198,000
Second Lien [Abstract]
Long-term debt, gross			$ 150,000							200,000
Debt Instrument, Unamortized Discount				(972)		(972)			(1,061)	$ (2,000)
Repayments of Long-Term Debt		$ 50,000
Professional Fees		$ 100
Additional interest in the event of default			0.020
Make whole premium during year 4			0.010
Second Lien, Required Security Interest on Proved Reserves			90.00%
Second Lien, Required Security Interest on Oil and Gas Properties			90.00%
Discount Rate for Estimated Future Net Revenues for Proved Properties at 9%			9.00%
Second Lien, Asset Coverage Ratio, Minimum			1.25
Second Lien, Debt to EBITDA Ratio, after March 31, 2022			3.25
Long-term debt, net				146,200		146,200
Gross interest expense including amortization of debt issuance costs				3,500	4,600	6,900	9,200
Second Lien Notes [Member] | London Interbank Offered Rate (LIBOR) [Member]
Bank Borrowings
Debt instrument escalating basis spread on base rate			0.075
Second Lien Notes [Member] | Alternative Base Interest Rate [Member]
Bank Borrowings
Debt instrument escalating basis spread on base rate			0.065
Line of Credit [Member] | New Credit Facility [Member]
Bank Borrowings
Long-term Debt, excluding current maturities				494,000		494,000			227,000
Line of Credit Facility, Current Borrowing Capacity	$ 775,000		$ 460,000					$ 525,000
Line of Credit, Covenant, Debt to EBITDA Ratio, On or Before March 31, 2022			3.00
Line of Credit, Covenant, Current Ratio, Minimum			1.00
Line of Credit, Required Security Interest on Oil and Gas Properties	85.00%		90.00%
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,000,000		$ 1,000,000
Line of Credit, Basis Point Decrease	50
Utilization percentage on date of dividend or distribution	0.80
Total Leverage Limitation for Return of Capital	1.25
Letters of Credit Outstanding, Amount				$ 6,100		$ 6,100			$ 0
Line of Credit, Letters of Credit Issuable			$ 25,000
Commitment fee basis points for the credit facility			0.50%
Line of Credit, Additional Interest Due to Payment Default	2.00%
Debt, Weighted Average Interest Rate				5.25%		5.25%
Line of Credit Facility, Commitment Fee Amount				$ 300	100	$ 600	200
Payments of Debt Issuance Costs						7,200	2,400
Write off of Debt Issuance Cost						400	200
Second Lien [Abstract]
Gross interest expense including amortization of debt issuance costs				$ 4,400	$ 2,800	$ 7,600	$ 5,300
Line of Credit [Member] | New Credit Facility [Member] | Minimum [Member] | Alternative Base Interest Rate [Member]
Bank Borrowings
Debt instrument escalating basis spread on base rate	0.0175
Debt Instrument Escalating Rates for Eurodollar Rate Loans	0.0275
Line of Credit [Member] | New Credit Facility [Member] | Maximum [Member] | Alternative Base Interest Rate [Member]
Bank Borrowings
Debt instrument escalating basis spread on base rate	0.0275
Debt Instrument Escalating Rates for Eurodollar Rate Loans	0.0375